dark · auth · sans · technical · dev-tool · drop-in · modern
Clerk
Geist + Suisse on near-black canvas with `#6c47ff` violet CTA — the drop-in-auth dev-tool aesthetic.
By webdesignhot · clerk.com
$ npx design-md add clerk-com
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Adidas Pure-black sport-utility, AdihausDIN/adidasFG uppercase, three-stripe geometry — the engineering canon for global sportswear. Adobe Creative-suite chrome — paper-white canvas, magenta-to-orange wordmark gradient, and Adobe Clean carrying every product grid. AgentKit Three swappable themes for AI agent products — editorial dark, daylight bright, fintech cool-blue. Airbnb Pure-white marketplace canvas with one Rausch coral and Cereal — generous photography, soft pills, modest type. Airtable White-canvas editorial workflow software with full-bleed coral and forest signature cards punctuating a near-black pill-CTA system. Alibaba Electric orange `#ff6a00` + dense merchant grids — the global B2B wholesale floor as a website. Amazon Smile-orange CTA, Amazon Ember sans, dense product grids — the canonical everything-store interface. Amazon Web Services Squid-ink navy with Smile-orange CTAs — the densest tile-portal on the cloud-platform internet. Anthropic Editorial broadsheet for AI safety — cream canvas, Anthropic Serif body, terracotta clay accent, magazine geometry. Apple White-canvas product theatre — SF Pro Text, 980px pill CTAs, and a single-blue accent system. Apple Music Pink-red gradient hero with album-grid kinesthetics — SF Pro precision, signature `#fa233b` brand pink, glassy dark canvas. Apple TV+ Pure-black cinematic theatre with SF Pro and ruthless minimalism — content as the only voice. Arc Browser-as-personality marketing — buttery cream canvas, Marlin Soft display, hand-tooled blue-and-coral palette. Are.na Bare grey-and-orange minimalism — a single Helvetica-class sans, hairline borders, and a stubborn refusal to optimise for engagement. Asana Approachable work management in soft purple — Asana Sans at modest weights with a rainbow accent palette and warm sky-tinted whitespace. Astro Cosmos navy canvas with violet-to-orange brand gradient — Mona Sans display, Inter body, Astro''s star-chart MPA framework dressed as an observatory dashboard. ASUS Republic of Gamers red `#cd0000` on black with bold sans — Taiwan engineering meets esports brutalism. Audi Vorsprung durch Technik on near-black — Audi Type sans, four-rings precision, and a near-monochrome canvas with `#bb0a30` reserved for sport. Auth0 Twilight-blue dark canvas with TWK Lausanne 300 display + Aeonik body — the original identity-platform aesthetic. Axiom Deep-navy observability with a cyan electric accent — Inter for body, JetBrains Mono for every event label, and a structural grid that reads as logs at planet scale. Axios Smart-brevity in chromatic form — blocky white canvas, Tiempos-flavored Atiza serif, signature `Why it matters:` time-bars and bullet-first prose. Base Coinbase-adjacent L2 minimalism — coinbaseSans on white, signature electric blue Baseten White canvas with Inter and a signature `#6c5ce7` purple — ML model deployment dressed in approachable workshop chrome. BBC News Signature BBC red (`#bb1919`), Reith Sans + Reith Serif, the global broadcaster authority typography of the world''s public-service news. Bear Off-white canvas, a custom bearsans display, a red bear icon, and tealish handwritten underlines — a Markdown notes app dressed as a Mac Pro magazine. beehiiv Aggressive black-on-yellow newsletter punch — heavy display sans, hyper-flat cards, and a `#ffd60a` highway-yellow that reads like a tabloid front page. Binance Trading-floor near-black with a single high-voltage Binance Yellow doing all the brand work — BinanceNova for type, BinancePlex for numbers. Bloomberg Iconic black-orange financial broadsheet — BWHaasHead headlines, AvenirNextPForBBG chrome, terminal-grade data density. Bluesky Sky-blue `#0085ff` on bright white with Inter sans — the AT-Protocol social network rendered as airy, federated, open. Blur Pure-black canvas, neon `#ff8700` orange voltage, and JetBrains-Mono-default everywhere — brutalist NFT trader terminal as competitive instrument. BMW Corporate-blue calm — BMW Type Next on a cream-tinted white, dark navy hero bands, and the M-stripe triplet in reserve. BMW M Performance black on M-blue/M-violet/M-red — the motorsport variant that turns BMW corporate into track-day theatre. Booking.com Deep-blue commerce engine — Bookin Sans on white, yellow CTA voltage, dense booking-funnel maximalism. Bose Pure black canvas, Helvetica restraint, and premium-audio confidence — sound presented as engineering art. Brex Cool grey-blue surfaces, magenta-to-purple-to-indigo gradient, Söhne 600 — fintech as fast, modern, slightly flashy. Bugatti French-engineered austerity — pure black canvas, three Bugatti typefaces, and full-bleed photography as the only voltage. Bun Cream canvas with chunky pink accents and the wide-eyed mascot — a JS runtime dressed as a 1970s bakery sign. Cal.com Open-source calendly with one bold custom font — Cal Sans on a soft `#f4f4f4` paper canvas. Calm Signature `#0066ff` deep blue + Aktiv Grotesk + meditation-deep cool atmospheric calm. Capacities Cream-yellow canvas, Inter at 700 with a Crimson Pro serif fallback, and a yellow underline as page ornament — a PKM that thinks like a sketchbook. Cartesia Bright clinical white with a single deep-blue action — voice-AI presented as scientific instrument rather than consumer product. Cash App Electric `#00d54b` green on near-black, Cash Sans monospace-flavoured geometry, and p2p-money youth aesthetic. Character.AI Cool zinc canvas, custom atHauss sans, and dark pill CTAs — a roleplay social product dressed in TikTok-grade neutrality. Chevrolet Gold-cross American classic — Louis sans on white with a `#cd9834` bowtie, a `#003876` corporate blue, and Camaro/Corvette red drama in reserve. Claude.ai Cream paper canvas, Anthropic Sans for body and Anthropic Serif for the headline — an AI assistant set in literary type. ClickHouse Near-pure black canvas with electric yellow as the brand voltage — database performance dressed in voltmeter chrome. Cloudinary Media-API technical infrastructure in confident blue — Inter at modest weights with a deep navy-blue brand and a single chromatic accent for media moments. Cohere Stark white editorial canvas with deep green-black product bands and a CohereText/Unica77 type split. Coinbase Institutional-grade calm — pure white canvas, a single Coinbase Blue, and Coinbase Display set at weight 400 instead of 700. Composio Near-black canvas with deep-electric-blue voltage and a 2x2 terminal-mockup hero — agent infrastructure dressed as developer instrumentation. Corsair Yellow `#ffff00` lightning on black with Roboto — RGB-everything peripherals and PC components. Costco Warehouse blue + signature red, Helvetica utilitarian — bulk-buying signage translated to web. Coursera University-blue `#0056d2` on warm-white parchment with Source Sans — the canonical online-degree marketplace. Cursor Warm cream IDE-marketing — `#f7f7f4` canvas, `#26251e` ink, custom CursorGothic display, JetBrains Mono code, vivid orange accent. Datadog NationalWeb on white with the iconic `#632ca6` purple — observability dressed as an enterprise dashboard, structurally dense, chromatically restrained, multicolour where the data demands it. Deel A warm dark canvas with electric coral and orange accents — global payroll dressed as a confident product portrait. DeepSeek Deep-blue Chinese-tech minimalism — a research lab dressed in `#4d6bfe` and stark white space. Dell Pragmatic blue `#007db8` with custom Roboto-derivative — business-first PC commerce since the dorm room. Deno Inkwell black on warm white with the dinosaur mascot — TypeScript runtime as Eric Carle children's book. Descript Cream-pink canvas, a custom Brett display serif, and a wine-dark CTA — an AI video editor that ships like a magazine. Discord Indigo-ground hangout — gg sans body, ABC Ginto Nord display, 12-16px tile radii, white pill CTAs. Disney+ Deep navy gradient streaming hall with custom Inspire display sans and the unmistakable Disney+ wordmark arc. DoorDash Signature red-orange CTA, custom DoorDash Sans, delivery-funnel commerce — the dominant on-demand local marketplace. ElevenLabs Near-black voice-tech ground with white voice-wave aesthetic — Inter at studio scale, pill CTAs, and a single saturated accent that reads as both wayfinding and brand. Epic Games Pure-black canvas with custom Brutal Type / Heading Now display — Fortnite-saturated marketing meets PC-storefront merchandising. Ethereum Off-white canvas, ethereum-blue `#1c64f2` voltage, and Inter + serif duet — community-owned protocol as open documentation. Etsy Burnt-orange CTA, Graphik humanist sans, handcrafted-warmth aesthetic — the marketplace for makers and small batch. Excalidraw Literal hand-drawn whiteboard — wobbly SVG strokes, Virgil-style handwriting, and a deliberately primitive UI that turns digital sketching into nostalgia. Expedia Navy commerce + Mango yellow voltage — Expedia Sans, dense travel-funnel density with One Key loyalty colour-coding. Fantastical White paper, Effra geometric sans, full-round blue pills, and a rainbow of app-icon glass squares — a calendar app marketed like Apple''s Pro Apps. Ferrari Cinematic editorial in near-black — Rosso Corsa restraint, FerrariSans 500, and full-bleed cavallino photography. Figma Bright multi-color section bands with figmaSans display and figmaMono eyebrows — a marketing site that designs in scenes. Financial Times Salmon-pink page (`#fff1e5`) — the world''s most recognizable newspaper background, paired with Financier display + MetricWeb sans for global markets coverage. Fireworks AI Light canvas with Inter sans and a signature `#6720ff` purple-amber-orange spark — fast-inference platform dressed in speed-of-light kinetic chrome. Fly.io Mackinac display + Fragment Mono on a violet-saturated canvas — a PaaS that dresses like a small-press magazine. Ford American-truck heritage in corporate blue — Antenna sans, oval-script wordmark, and a deep `#003478` voltage that has carried the brand since 1927. Framer Black-on-white maximalism with electric gradient floods — Inter Display at heroic sizes, motion as a first-class material. Frontegg PP Neue Machina display + Neue Montreal body — plug-and-play user-management with deep-blue gravitas. Gemini (Google) Blue-into-violet gradient, Google Sans, soft Material 3 surfaces — Google''s house style applied to a chat interface. Ghost Warm-cream content CMS aesthetic — Inter for chrome, a soft serif for the writing surface, and a single confident green for action. GitHub Dark-canvas developer-platform marketing — Mona Sans variable headings, lime-green accent, near-black ground. GitHub Copilot Pure-white canvas, pure-black inverted CTAs, Mona Sans display — GitHub's editorial confidence applied to AI tooling. Grafana Dark observability canvas with the iconic `#f46800` orange — Inter for body, Roboto Mono everywhere a label hides, multi-colour chart palette ripped straight from a real dashboard. Granola White paper, a custom Quadrant book serif, and an olive-green CTA — an AI notepad that dresses like a stationery shop. Grubhub Friendly red-orange CTA, Sentinel display + Avenir body, dense delivery-app commerce — the long-running incumbent. HashiCorp Black canvas hosting a per-product color portfolio — Terraform purple, Vault yellow, Consul red, Waypoint cyan — multi-product identity made literal. Hashnode Developer publishing platform — deep navy canvas, electric blue brand, Inter sans + JetBrains Mono code chrome. HBO Max Deep purple-black premium streaming canvas with custom Sharp Grotesk and the unmistakable Max wordmark. Headspace Signature `#ffac1d` orange + custom round display + meditation-friendly playful warmth. Height AI-PM workspace dressed in chalk pastels — Inter at modest weights over a near-paper canvas, with a single confident accent and an AI-purple voltage moment. Honda Reliability-first restraint — HondaGlobalFont on white, signature red HP Cyan-blue `#0096d6` HP-circle on white with Forma DJR — the 84-year-old technology brand''s mainstream face. Hugging Face AI community canvas — deep blue-black ground, Source Sans Pro headlines, pill auth + 8px tile cards. Hulu Near-black canvas anchored on Hulu Green `#1ce783` with Graphik sans — the bright, cable-meets-streaming UI. IBM Carbon Design System made literal — pure-white canvas, IBM Plex Sans at light 300, square corners, and one assertive `#0f62fe` blue. Ideogram A bright white canvas with a single saturated violet cue — a typography-first AI image tool that lets the gallery do all the talking. Instacart Grocery-shopping-list practical — Instacart Sans on white, signature carrot green Kagi A premium search engine dressed in warm cream and Plex — the indie answer to ad-funded search. KAYAK Burnt-orange flight-search density — Open Sans on white, comparison-engine maximalism, price-graph data viz. Khan Academy Signature `#14bf96` mint green on white with Lato sans — free-for-everyone education in a warm, encouraging register. Kinde White canvas with Inter 72/500 display + dev-friendly pink-coral accent — the approachable auth-billing-access platform. Kit A cream newsletter canvas with a custom KitSans display, a Libre Franklin secondary, and a pastel-rainbow chip set — the editorial register reborn from ConvertKit. Kraken Kraken Purple `#7132f5` on white — Kraken-Brand display + Kraken-Product UI for a calmer, less-bombastic crypto exchange. Krea A pure-black studio with Suisse Intl set quietly at 60px — a creative-AI gallery that lets the work and the cobalt CTA carry the colour. Lamborghini Cathedral of darkness — true black canvas, Lamborghini Gold accents, and LamboType angled-terminal display. LangChain Deep navy canvas with Inter precision and a quietly confident teal accent — agent orchestration dressed as engineering documentation. Linear Dark-canvas product surface — pure-black ground, indigo accent, custom Inter weights, pill CTAs. LiveKit Realtime audio-video infra — Public Sans 300 weight on near-black, signature cyan LlamaIndex White canvas with Inter and a signature `#1b9aff` blue — RAG infrastructure dressed as a clean technical reference card. Logitech Soft consumer-tech blue gradients with Brown sans — design for the way you work, play, and create. Lovable Pink-into-violet gradient on white — vibe-coding dressed in playful, friendly chromatics. Magic Eden Mint-cream canvas, magenta-mint accent duet, and a custom Foundry display — Solana-native marketplace as boutique gallery. Mailchimp Cavendish-yellow chunkiness — a custom display serif (Cooper Light), the signature `#ffe01b` block, and a brand voice that hugs you while it ships campaigns. Mastercard Cream-canvas editorial fintech, circular-portrait orbits, MarkForMC at 450 weight — institutional-but-warm payments brand. MasterClass Pure-black cinema with custom display serif and editorial reverence — celebrity-instructor learning as a premium streaming product. Medium Editorial reading-first publishing — magazine-grade serif body, GT Super display, signature green-on-white pill CTAs. Mercedes-Benz Three-pointed-star authority — MBCorpo on near-black canvas, silver-blue Mercury A near-pure white canvas with a literary serif headline and a signature mercury-mint accent — banking dressed as a quiet magazine. Meta Optimistic blue (#0467df) on a white corporate canvas — Optimistic Display headlines, generous space, social-platform conglomerate at rest. Microsoft Fluent surfaces — off-white canvas, Segoe UI Variable Display, and a Cortana-blue action color carrying every product. Midjourney A deep cosmic canvas where JetBrains Mono headlines float over a wide-gamut OKLCH rainbow — a research lab dressed as a chapel. MiniMax Stark monochrome canvas broken open by vibrant gradient product cards — coral, magenta, blue, purple as model identity. Mintlify Documentation-platform marketing — pure white canvas, mint-green accent, Inter at tight tracking, near-black pill CTAs. Miro Canary-yellow Mistral Butter-yellow canvas, Arial as a deliberate anti-tech statement, and zero-radius rectangles — French AI as a brutalist art-school manifesto. Modal Serverless GPU infra in lime-green — `#0c0c0c` canvas, electric `#7fee64` accent, custom Modal Mono on every chip and code block. Monday.com Project management in confident red-pink — Poppins display at bold weights with a colorful saturated palette and a playfully energetic visual rhythm. MongoDB Signature MongoDB green Motion AI-calendar productivity in green-and-purple — Inter at modest weights with a green-to-purple voltage gradient signaling the AI scheduler, anchored by a clean white canvas. MSI Dragon-red `#ff0000` on jet black with bold display sans — the Taipei dragon-heritage gaming hardware brand. Mux Video API for developers — Aeonik on light-cream, Rotonto display, JetBrainsMono CTAs, sharp 0px corners. Neon Serverless Postgres dressed in late-night green — a near-black canvas with a single electric mint accent. Netflix Pure-black streaming theatre with signature `#e50914` red and Netflix Sans — the canonical media-tile grid. Nike Pure black, pure white, Helvetica Now — pill CTAs and full-bleed athletic photography on a single soft cloud gray. Notion Off-white canvas with Lyon serif accents and a custom NotionInter — a workspace dressed as a literary magazine. Nuxt Forest-green `#00dc82` glow on a near-black canvas — Vue-flavored warmth dressed for the cosmos. NVIDIA Engineering-grade canvas — pure black hero / paper-white body / one violently saturated `#76b900` green that carries every CTA and corner square. Omnivore Open-source read-it-later — near-white reading canvas, focused emerald-on-paper brand, archival elegance after the Eleven Labs sunset. OpenAI Pure white canvas, OpenAI Sans set in calm 500-weight, and a single black pill for the only action that matters — try ChatGPT. OpenRouter Pure-black canvas with custom display typography and pragmatic mono — LLM-router infrastructure dressed as a terminal billing dashboard. OpenSea Pure-black canvas, electric `#2081e2` blue, and Inter at trader-pro density — the original NFT marketplace as financial terminal. Optimism Pure-white canvas, signature `#ff0420` red voltage, and Inter at confident L2 register — Ethereum rollup as bold optimistic infrastructure. Ory White canvas with Inter 48/400 display + signature deep-navy `#0f172a` CTA — open-source-first identity for technical teams. Oura Pure-black canvas with Inter precision and gold-stamped scores — the premium-ring health-precision aesthetic. Paper Website A literal sheet-of-paper website — single literary serif, off-white sheet canvas, narrow reading columns, ink-blue links. PayPal Dual-blue corporate trust — PayPal Sans Big over white, with a deep-navy ink and a sky-blue counterpoint. Peloton Signature `#cb1e4e` red on midnight ink, Inter display, instructor-led premium-fitness storefront. Perplexity Cream paper canvas, custom pplxSans, and the unmistakable Tropic-cyan accent — a reference-library answer engine dressed in warm tones. Pinecone White canvas with Inter and a signature `#1cb0d0` cyan — vector database technical-marketing dressed in clean blueprint chrome. Plaid Pale blue trust on white, classical Stripe-adjacent type, and a Benjamin-Franklin-as-mascot moment of personality. Plain B2B support tool with a Dinamo grotesk and a single radioactive `#1ad379` action — Linear-restraint applied to support. PlanetScale Pure-black canvas, blood-red accent, mono-set numerals — a database brand styled like a financial terminal. Polar Dev-tool obsidian — 8rem editorial display headlines, indigo accents, Louize serif moments. Polygon Deep purple `#8247e5` voltage, soft surface ladder, and Inter at enterprise calm — Ethereum L2 as institutional infrastructure. Porsche Engineering-purity black-on-white — Porsche Next at 96px regular, Rosso PostHog Cream-canvas analytics with mustard-yellow CTAs and IBM Plex — open-source craft, not SaaS gloss. Postmark Postal-yellow #ffde00 + warm-black #1c1d1f + paper-white canvas — the transactional email API designed like a friendly post office sign. Prime Video Amazon-blue streaming canvas with Ember sans and the dense, utility-first marketplace UI vocabulary. PropelAuth White canvas with SF Pro Rounded display 60/900 + deep-navy ink — B2B multi-tenant auth with Apple-tinted polish. Qwik Electric purple-to-blue gradient on near-black — resumable execution dressed as a lightning bolt. Railway Ship software peacefully — IBM Plex Serif headlines on a deep eggplant canvas, with a single confident violet for action. Raindrop.io White paper, system-ui sans, soft watercolor blob backgrounds, and a vivid `#0b7ed0` blue CTA — a bookmark manager that ships like a creative-tool sketch. Ramp Off-yellow `#fcfb70` and black-on-white editorial — finance ops dressed as a printed annual report. Raycast Near-black canvas, glowing keycaps, monospaced shortcut chips — a marketing site that thinks like a launcher. Razer Neon `#44d62c` snake-green on jet black with Roboto — the For Gamers, By Gamers visual signature. Readwise Pastel-orange book-club warmth — soft cream canvas, friendly Tiempos serif accents, and a tangerine that signals 'this is your library.' Reddit Front-page-of-the-internet orange — community-card density, IBM Plex Sans display, and a confident Remix Signature `#3992ff` blue on pure white with Inter — a nested-routes web framework dressed as a manifesto poster. Render Lavender on white — a PaaS that swapped Heroku purple for a candy-bright #8a05ff and kept the airy whitespace. Replicate AI-API marketing — light page chrome, dark hero canvas, rb-Freigeist Neue display, JetBrains Mono code, sharp 0px corners. Replit Saturated turquoise on `#0e1525` ink — the cloud-IDE aesthetic with IBM Plex DNA and a JetBrains Mono soul. Resend Pure-black canvas with Domaine Display serif at 96px and Commit Mono code chips — email infra that thinks in italics. Retool Pragmatic blue #3a55fc + Inter + dense product mocks — the internal-tool platform that designed itself like a well-organised admin panel. Reuters Global newswire restraint — signature orange (`#ff8000`), Knowledge Medium custom sans, broadsheet rigor for the world''s oldest news agency. Riot Games Crimson `#d13639` red on near-black with custom Riot Beam display — esports-tournament drama and competitive-MOBA editorial. Rive Chunky animated display type and saturated playful colour — interactive graphics platform that wears its motion design on its sleeve. Roblox Bright `#ed1d24` red on white with Builder Sans — the youth-block-builder playground turned multi-billion-game social platform. RunPod Deep slate canvas with Inter and a signature `#673ab7` purple — accessible GPU cloud dressed in friendly developer chrome. Runway A near-black research canvas with ABC Normal headlines pulled tight at -2.5px — a film studio, an ML lab, and a brutalist gallery in one shell. Salesforce Cloud-trust dashboards — Salesforce Sans on a sky-blue ground, with Astro the bear standing guard over a dense CRM portal. SAP Enterprise-ERP precision in cobalt — SAP72 sans, signal-blue accents, and a calm white canvas built for trust. Segment Twilio Segment's customer-data-platform canvas — Whitney SSm humanist sans, navy-on-white, single confident `#1866ee` blue. Semafor Paper-cream canvas (`#f8f5d7`) with FeatureFlatHeadline serif and signature flag-style topic columns — global-news editorial built for the post-Twitter era. SendGrid Functional API-blue on white — the email-platform dashboard aesthetic, now folded under the Twilio umbrella. Sentry Deep-aubergine observability — Dammit Sans display, Rubik body, JetBrains Mono code, signature violet #7553ff and pill CTAs. shadcn/ui Copy-paste components in pure black-on-white — the most influential design system not actually shipped as a library. Shopify Dark-first commerce theatre — 96px NeueHaasGrotesk at weight 330, electric mint focus rings, and stacked multi-layer shadows. Signal Privacy-first messaging in `#3a76f0` Signal blue with Inter sans — minimal, ad-free, end-to-end-encrypted by default. Slack Aubergine workspace marketing — Salesforce-Avant-Garde headlines, all-caps 4px CTAs, white canvas with `#4a154b` accents. SolidJS Deep navy with a blue-to-cyan brand gradient — reactive primitives dressed as a circuit diagram. Sonos Pure black canvas, Inter typography, and audio-system minimalism — speakers presented as gallery objects. SoundCloud Signature `#ff5500` orange on `#f2f2f2` paper with Interstate sans — waveform-first audio social UI. SpaceX Pure-black cinematic photography, D-DIN aerospace stencil type, ghost-button minimalism — the interface disappears. Spotify Electric `#1ed760` green on near-black canvas with Spotify Mix sans — the canonical streaming-audio tile grid. Square Pure black on pure white, Square Sans grids, and retail-POS minimalism — commerce as black-and-white geometry. Starbucks Forest-green storefront — SoDoSans, full-pill buttons, warm-cream canvas, and a floating Frap CTA the brand calls home. Steam Deep blue-gray `#1b2838` with Motiva Sans — the utilitarian PC-gaming library that runs the world's largest digital storefront. SteelSeries Esports orange `#ff6900` on near-black with Inter — Danish precision peripherals for competitive play. Strava Signature `#fc4c02` orange + Inter on white — endurance-athlete data-driven storefront with map-overlay heritage. Stripe Editorial fintech polish — light Söhne headlines at weight 300, navy-not-black text, signature `#533afd` purple CTAs. Stytch Paper-cream canvas with Booton display + Chivo Mono body — passwordless-modern auth, joined Twilio. Substack Magazine-on-the-internet — Spectral serif body at 19px, Cahuenga display, signature `#ff6719` orange CTAs. Suno A near-black booth with cream Neue Montreal and a hot-pink cue light — a music studio, a record sleeve, and a chat app fused into one canvas. Sunsama Thoughtful daily planning in warm cream and ink — Inter at modest weights over a paper-cream canvas with sage and rose accents and a calm, unhurried voice. Supabase Off-black canvas, signature emerald `#3ecf8e`, Circular as display, Postgres-grade type discipline. Superhuman White paper canvas, a custom Super Sans variable, and a single confident lavender — premium email dressed as a stationery brand. Supreme Box-logo red, Courier monospace, skate-deadpan minimalism — the most influential streetwear store on the web. Svelte Hot orange #ff3e00 against clean white with a confident sans — the framework that wears its flame as a wordmark. Tailwind CSS The system applied to itself — Inter Variable on white canvas, signature cyan #06b6d4, every component built from Tailwind utilities. Tana Pure black canvas, a custom tanaClassic serif at 83px, and a pale-pistachio CTA — a knowledge graph dressed as a literary supplement. Target Bullseye red CTA, Helvetica Neue, photographic hero — friendly mass-market design with confident chromatic restraint. Telegram Cloud-blue messaging — Tesla Cinematic showroom on white — one Electric Blue CTA, Universal Sans, and viewport-height car photography. The Atlantic Modern serif headlines on cream-paper, signature Atlantic orange `#fbb33b`, long-form magazine reading rendered for the web. The Economist Deep cinnabar red `#e3120b`, Milo serif body, Econ Sans labels — the global-affairs weekly rendered with cover-illustration discipline. The Guardian Guardian Egyptian slab serif, signature navy `#052962`, structured ruled hierarchy with bold section accents. The New York Times Cheltenham serif headlines on paper-white, signature breaking-news red, the canonical American broadsheet rendered for the web. The New Yorker Adobe Caslon Pro + Irvin headline cap — a century of editorial gravitas in cream paper, ink black, and signature cartoon line. The Washington Post Postoni serif blackletter masthead, "Democracy Dies in Darkness" tagline, sober ink-on-paper political broadsheet. Things Cool light-blue canvas, system-ui sans, vivid Things-blue accent — a task manager that ships like an Apple Pro Display. Threads Instagram-adjacent text-first social — pure-black canvas, system-sans clarity, and a quiet brand restraint built from the @ glyph alone. TikTok Electric cyan-magenta on pure black — vertical-video voltage with custom Proxima Nova display and a bold neon brand grammar. tldraw Casual whiteboard sketchy — hand-drawn UI primitives, dotted-grid canvas, and a soft pastel palette that wears its toy-like energy with confidence. Together AI Deep navy on near-white with Inter sans — open-source LLM cloud rendered as developer-platform infrastructure. Toyota Japanese-reliability mainstream — `#eb0a1e` Toyota red on white, ToyotaType sans, and a calm-confident marketing surface for the world's most-sold automotive brand. Turbo Vercel-grade pure-black canvas with a magenta-to-blue Turbo gradient — the build system that wears its speed as a sweep. Turso SQLite at the edge — a deep-teal canvas with a CRT-bright cyan accent (#00face) that reads as a glowing edge node. Twilio Signal-red `#f22f46` against clean white — communications APIs given the visual weight of a broadcast colour. Twitch Purple `#9146ff` on `#0e0e10` canvas with Inter — the live-streaming UI built around chat, raids, and gaming density. Uber Eats Pure-black ground, Uber Move custom sans, Uber-app continuity — the operating system of food delivery. Udemy Signature `#a435f0` purple on white with Sailec sans — the open course-marketplace bazaar made approachable. Uniqlo Signature red `#ff0000`, Helvetica Neue system stack, japanese-utility-functional grid — the LifeWear engine. v0 A near-white prompt canvas with GeistSans and pure OKLCH grayscale — Vercel''s AI builder dressed as the calmest text editor on the internet. Venmo A single confident `#3d95ce` blue, Aktiv Grotesk geometry, and a social-feed informality — payments dressed as group chat. Vercel Brutalist developer-product polish — near-white canvas, near-pure black-on-near-white type, Geist sans + mono, conic-gradient accents. Vite Electric purple #646cff + Manrope display + a literal lightning-bolt mark — the build tool that designed itself to feel as fast as it is. Vodafone Vodafone Red broadcast band, monumental 144px display, two-tier button system — corporate-newsroom telecom design. Volkswagen People's-car blue — the deep `#001e50` corporate hue, custom VW Sans, and a friendly-German marketing surface that sells everyday mobility with confidence. Walmart Spark-yellow on big-box blue, Antonio Display + Bogle sans — everyday low prices made loud. Warp Near-black canvas, neon-lime cursor, real terminal screenshots — a marketing site that boots like a shell. Weaviate White canvas with Inter and a signature `#1cdb46` open-source green — modular vector database dressed in approachable engineering chrome. webdesignhot AI-era editorial dark — pure black with one acid-lime accent. Webflow Indigo-to-purple gradient discipline with a precise structural sans — the visual builder that markets itself like a design conference. WHOOP Lime `#a0d10b` voltage on jet-black, Inter precision, recovery-data athlete-grade aesthetic. WIRED Newsstand-density editorial grid, sharp-corner buttons, mono ALL-CAPS kickers — Conde Nast meets engineering lab. Wise A flexible bright-lime green on cream-white — money that travels in sans-serif and a single confident accent. Workday HR-warm professional in tangerine — Adelle Sans humanist curves, signature `#f37721` orange, and a calm white people-first canvas. WorkOS Pure-white canvas with Untitled Sans 80/500 display + indigo-violet h2 — the B2B-enterprise gravitas aesthetic. X Pure-black canvas with Chirp display — algorithmic minimalism, single-letter wordmark, ruthless type discipline. Y Combinator Brutalist orange monolith — system-font sans on white canvas, signature `#f26625` orange-red blocks with hard 0px corners. You.com Crisp white developer-doc canvas, custom Lumen Sans, and the indigo `#5368EE` accent — a search API rebrand done as enterprise infrastructure. YouTube YouTube Sans + Roboto + signature `#ff0000` red — content-density at planetary scale. Zora Cream-white canvas, electric purple-orange duet, and a custom display — onchain creator network as zine cover.
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Tokens design.md/v1.5
- bg
#131316 - bg-section
#1a1a1f - bg-elevated
#22222a - bg-deep
#0a0a0c - surface
#22222a - surface-soft
#1a1a1f - surface-strong
#2c2c35 - surface-glass
rgba(255,255,255,0.04) - text AAA · 18.5
#ffffff - text-strong
#ffffff - text-muted
#9394a1 - text-soft
#7c7d8a - text-faint — · 2.9
#5e5f6b - text-on-brand
#ffffff - text-link
#6c47ff - text-link-hover
#8a6dff - brand AA·LG · 3.5
#6c47ff - brand-deep
#5938e0 - brand-light
#8a6dff - brand-pale
#a48efc - brand-soft
rgba(108,71,255,0.16) - accent-pink
#ff7a8a - accent-cyan
#3acefa - accent-yellow
#fff066 - border — · 1.3
rgba(255,255,255,0.10) - border-soft
rgba(255,255,255,0.06) - border-strong — · 1.6
rgba(255,255,255,0.16) - border-brand
#6c47ff - hairline-cta
#42434d - on-brand
#ffffff - on-dark
#ffffff - scrim
rgba(0,0,0,0.72) - shadow-card
rgba(0,0,0,0.32) - shadow-elev
rgba(0,0,0,0.48) - shadow-glow-violet
rgba(108,71,255,0.32) - success
#36d576 - success-bg
rgba(54,213,118,0.12) - warning
#ffb547 - danger
#ef2236 - danger-bg
rgba(239,34,58,0.12) - info
#3acefa
Ship faster than ever.
hero-display geistSans 80px w700 -2.8px
Ship faster than ever.
h1 geistSans 64px w700 -2.24px
Ship faster than ever.
pricing-display geistNumbers 48px w700 -1.4px
Built for teams that ship.
h2 geistSans 40px w700 -1.4px
The quick brown fox jumps over the lazy dog.
metric geistNumbers 32px w700 -0.5px
A complete kit
h3 geistSans 28px w600 -0.5px
The quick brown fox jumps over the lazy dog.
h4 geistSans 18px w600 -0.2px
The quick brown fox jumps over the lazy dog.
body-lg geistSans 18px w400 0
The quick brown fox jumps over the lazy dog.
h5 geistSans 16px w600 -0.1px
The quick brown fox jumps over the lazy dog.
body-md geistSans 16px w400 0
The quick brown fox jumps over the lazy dog.
body-sm geistSans 14px w400 0
npx design-md add linear
code-inline soehneMono 14px w400 0
OUR DESIGN SYSTEM
label geistSans 13px w500 0
OUR DESIGN SYSTEM
button-label geistSans 13px w500 0
The quick brown fox jumps over the lazy dog.
nav-link geistSans 13px w500 0
npx design-md add linear
code-block soehneMono 13px w400 0
OUR DESIGN SYSTEM
caption geistSans 12px w400 0
Built for teams that ship.
h2-eyebrow-mono soehneMono 11px w500 0.10em
The quick brown fox jumps over the lazy dog.
eyebrow-uppercase soehneMono 11px w500 0.10em
The quick brown fox jumps over the lazy dog.
micro geistSans 11px w400 0.01em
- step-0 4px
- step-1 8px
- step-2 12px
- step-3 16px
- step-4 20px
- step-5 24px
- step-6 32px
- step-7 40px
- step-8 48px
- step-9 64px
- step-10 80px
- step-11 96px
- step-12 128px
- step-13 160px
- micro
2px - sm
4px - md
6px - lg
8px - xl
12px - card
16px - pill
9999px
Text link →
Card preview
A complete kit — everything your product needs.
Hero, pricing, FAQ, dashboard, docs — every layout your product needs.
New
Stable
v1.0
Clerk's marketing site is the canonical modern drop-in-auth dev-tool canvas — a near-black ground (`#131316`) with a subtle warm-violet undertone, white text in Geist Sans 700 at 64px / `-2.24px` tracking, and the unmistakable Clerk-violet (`#6c47ff`) as the single brand colour. The visual lineage is unmistakably Vercel-trained: the Geist typography, the near-black canvas, the mono-uppercase eyebrows in Söhne Mono, the 6px button radius, the backdrop-blur glassy navbar, the sub-100ms hover transitions — all canonical 2020–2022 dev-tool moves Vercel popularised and Clerk extended. What Clerk added was the component-as-marketing-asset move (borrowing from Stripe Elements): embedding the live `<SignIn />` component directly on the marketing page instead of showing screenshots. The brand colour Clerk-violet is the move that distinguishes Clerk from the rest of the Vercel-trained cohort — a deliberate flag-plant in an empty chromatic position in the dev-tool palette.
- Geist typeface, near-black canvas, glassy backdrop-blur navbar.
- Embedded-component-as-marketing pattern — Clerk applies this to every component.
- Sub-100ms motion discipline and hairline border depth strategy.
- Söhne Mono typeface for the mono-uppercase eyebrow signature.
- Modern dev-tool brand-cyan precedent for choosing a single bright accent.
Export
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---
name: Clerk
tagline: Geist + Suisse on near-black canvas with `#6c47ff` violet CTA — the drop-in-auth dev-tool aesthetic.
author: webdesignhot
source_url: https://clerk.com
spec: design.md/v1.5
quality: curated
featured: false
categories: [dev-tools, saas]
tags: [dark, auth, sans, technical, dev-tool, drop-in, modern]
preview_swatch: ['#131316', '#6c47ff', '#ffffff']
related: [vercel, stripe, supabase]
description: 'Clerk''s site is the canonical drop-in-auth dev-tool canvas — a near-black ground (`#131316`) with absolute-white display in Geist Sans 700 at 64px and `-2.24px` tracking, body running Suisse / Geist at 16/400, and the unmistakable `#6c47ff` Clerk-purple as the single brand colour driving every primary CTA, the wordmark, and the focus ring. Where Auth0 commits to twilight blue and Stripe to single-blue trust, Clerk plants its flag on a vivid mid-purple that signals "modern dev-tool, not enterprise SaaS". The page architecture is unmistakably Vercel-coded — Geist as the primary type, Söhne Mono for monospace eyebrows, 6px button radius, sticky-spec product feel — but the violet brand colour and component-first marketing voice are pure Clerk. The result is the most-imitated authentication-dev-tool aesthetic of the early-2020s era.'
colors:
bg: '#131316' # near-black canvas — Clerk default
bg-section: '#1a1a1f' # alt section ground
bg-elevated: '#22222a' # card / panel surface tier
bg-deep: '#0a0a0c' # deepest near-black for mood-zone footer
surface: '#22222a' # default elevated card surface
surface-soft: '#1a1a1f' # softer surface
surface-strong: '#2c2c35' # stronger surface for hovered cards
surface-glass: 'rgba(255,255,255,0.04)' # glassy hover/active overlay
text: '#ffffff' # primary text — pure white on dark
text-strong: '#ffffff' # display text — same pure white
text-muted: '#9394a1' # eyebrow / muted body — observed h2 colour
text-soft: '#7c7d8a' # secondary muted
text-faint: '#5e5f6b' # tertiary muted, footer-meta
text-on-brand: '#ffffff' # white on Clerk-purple CTA
text-link: '#6c47ff' # default link in body
text-link-hover: '#8a6dff' # hover brightens
brand: '#6c47ff' # Clerk-purple — the signature brand colour
brand-deep: '#5938e0' # darker pressed state
brand-light: '#8a6dff' # hover brightening
brand-pale: '#a48efc' # palest brand-violet for halo tints
brand-soft: 'rgba(108,71,255,0.16)' # soft brand surface for tags
accent-pink: '#ff7a8a' # secondary brand accent — pinkish coral
accent-cyan: '#3acefa' # cyan accent for code-block highlights
accent-yellow: '#fff066' # tertiary highlight (changelog "NEW")
border: 'rgba(255,255,255,0.10)' # default hairline on dark
border-soft: 'rgba(255,255,255,0.06)'
border-strong: 'rgba(255,255,255,0.16)'
border-brand: '#6c47ff' # focus / selected border
hairline-cta: '#42434d' # subtle CTA outline observed (rgb(66,67,77))
on-brand: '#ffffff'
on-dark: '#ffffff'
scrim: 'rgba(0,0,0,0.72)' # modal backdrop
shadow-card: 'rgba(0,0,0,0.32)'
shadow-elev: 'rgba(0,0,0,0.48)'
shadow-glow-violet: 'rgba(108,71,255,0.32)' # hero violet halo
success: '#36d576' # success green
success-bg: 'rgba(54,213,118,0.12)'
warning: '#ffb547' # advisory amber
danger: '#ef2236' # error red
danger-bg: 'rgba(239,34,58,0.12)'
info: '#3acefa'
typography:
display:
family: 'geistSans, "Geist Sans", suisse, "suisse Fallback", -apple-system, sans-serif'
weights: [400, 500, 600, 700]
opentype-features: ['ss01', 'ss02']
body:
family: 'geistSans, "Geist Sans", suisse, "suisse Fallback", -apple-system, sans-serif'
weights: [400, 500, 600]
mono:
family: 'soehneMono, "Söhne Mono", geistMono, "Geist Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace'
weights: [400, 500]
numbers:
family: 'geistNumbers, "Geist Numbers", geistSans'
weights: [400, 500, 700]
opentype-features: ['tnum']
scale:
hero-display: { size: 80, weight: 700, lineHeight: 1.05, tracking: '-2.8px', family: display, opentype: ['ss01'] }
h1: { size: 64, weight: 700, lineHeight: 1.12, tracking: '-2.24px', family: display, opentype: ['ss01'] }
h2-eyebrow-mono: { size: 11, weight: 500, lineHeight: 1.63, tracking: '0.10em', family: mono, transform: uppercase }
h2: { size: 40, weight: 700, lineHeight: 1.10, tracking: '-1.4px', family: display, opentype: ['ss01'] }
h3: { size: 28, weight: 600, lineHeight: 1.20, tracking: '-0.5px', family: display }
h4: { size: 18, weight: 600, lineHeight: 1.33, tracking: '-0.2px', family: display }
h5: { size: 16, weight: 600, lineHeight: 1.40, tracking: '-0.1px', family: display }
eyebrow-uppercase: { size: 11, weight: 500, lineHeight: 1.63, tracking: '0.10em', family: mono, transform: uppercase }
body-lg: { size: 18, weight: 400, lineHeight: 1.55, tracking: '0', family: body }
body-md: { size: 16, weight: 400, lineHeight: 1.50, tracking: '0', family: body }
body-sm: { size: 14, weight: 400, lineHeight: 1.50, tracking: '0', family: body }
label: { size: 13, weight: 500, lineHeight: 1.40, tracking: '0', family: body }
button-label: { size: 13, weight: 500, lineHeight: 1.0, tracking: '0', family: body }
nav-link: { size: 13, weight: 500, lineHeight: 1.20, tracking: '0', family: body }
caption: { size: 12, weight: 400, lineHeight: 1.40, tracking: '0', family: body }
micro: { size: 11, weight: 400, lineHeight: 1.40, tracking: '0.01em', family: body }
code-inline: { size: 14, weight: 400, lineHeight: 1.50, tracking: '0', family: mono }
code-block: { size: 13, weight: 400, lineHeight: 1.55, tracking: '0', family: mono }
pricing-display: { size: 48, weight: 700, lineHeight: 1.0, tracking: '-1.4px', family: numbers, opentype: ['tnum'] }
metric: { size: 32, weight: 700, lineHeight: 1.0, tracking: '-0.5px', family: numbers, opentype: ['tnum'] }
radius:
micro: 2
sm: 4
md: 6 # default button — observed
lg: 8
xl: 12
card: 16
pill: 9999
spacing:
base: 4
scale: [4, 8, 12, 16, 20, 24, 32, 40, 48, 64, 80, 96, 128, 160]
layout:
page-width: 1200
prose-width: 720
header-height: 64
hero-padding-y: 128
components:
button-primary:
bg: '#6c47ff'
color: '#ffffff'
radius: 6
padding: '8px 16px'
height: 36
font: button-label
use: 'Primary CTA — Clerk violet fill. "Sign up", "Get started", "Talk to sales".'
button-primary-large:
bg: '#6c47ff'
color: '#ffffff'
radius: 8
padding: '12px 24px'
height: 44
use: 'Hero-size primary CTA at 44px height for prominent moments.'
button-secondary-glass:
bg: '#42434d'
color: '#ffffff'
radius: 6
padding: '8px 16px'
height: 36
use: 'Secondary CTA on dark — glassy mid-grey, hover brightens.'
button-ghost:
bg: 'transparent'
color: '#ffffff'
border: '1px solid rgba(255,255,255,0.10)'
radius: 6
padding: '8px 16px'
height: 36
use: 'Outlined ghost — secondary action.'
button-text-link:
bg: 'transparent'
color: '#6c47ff'
use: 'Inline link or "Read the docs →" — violet hover brightens to #8a6dff.'
card-feature:
bg: '#1a1a1f'
color: '#ffffff'
radius: 16
padding: '32px'
border: '1px solid rgba(255,255,255,0.06)'
use: 'Feature card on dark — soft border, generous internal padding.'
card-component-demo:
bg: '#22222a'
color: '#ffffff'
radius: 16
padding: '24px'
border: '1px solid rgba(255,255,255,0.10)'
use: 'Live component-demo card showing the actual <SignIn /> component embedded.'
card-pricing:
bg: '#1a1a1f'
color: '#ffffff'
radius: 16
padding: '32px'
border: '1px solid rgba(255,255,255,0.10)'
use: 'Pricing tier card — Pro tier gets violet `#6c47ff` border highlight.'
input-dark:
bg: '#22222a'
color: '#ffffff'
border: '1px solid rgba(255,255,255,0.10)'
focus: '0 0 0 2px #6c47ff'
radius: 6
height: 40
padding: '10px 12px'
placeholder: '#7c7d8a'
use: 'Form input on dark — violet focus ring.'
navbar-top:
bg: 'rgba(19,19,22,0.72) backdrop-blur(8px)'
color: '#ffffff'
height: 64
border-bottom: '1px solid rgba(255,255,255,0.06)'
use: 'Translucent + blur navbar — Vercel-style sticky header on dark.'
code-block:
bg: '#1a1a1f'
color: '#ffffff'
radius: 12
padding: '20px 24px'
border: '1px solid rgba(255,255,255,0.06)'
use: 'Söhne Mono code block — violet keyword syntax, cyan strings.'
pill-eyebrow:
bg: 'rgba(108,71,255,0.16)'
color: '#a48efc'
radius: 9999
padding: '4px 10px'
use: 'Eyebrow pill — "NEW", "BETA", "AVAILABLE NOW".'
pill-tag-mono:
bg: 'transparent'
color: '#9394a1'
radius: 9999
padding: '2px 8px'
border: '1px solid rgba(255,255,255,0.10)'
use: 'Mono-eyebrow tag — Söhne Mono uppercase 11/500.'
modal:
bg: '#1a1a1f'
color: '#ffffff'
radius: 16
padding: '32px'
border: '1px solid rgba(255,255,255,0.10)'
shadow: 'rgba(0,0,0,0.48) 0 24px 48px'
use: 'Centred dialog over scrim.'
signin-component:
bg: '#22222a'
color: '#ffffff'
radius: 16
padding: '32px'
border: '1px solid rgba(255,255,255,0.10)'
use: 'The `<SignIn />` component itself — Clerk''s signature drop-in UI.'
motion:
ease-standard: 'cubic-bezier(0.4, 0, 0.2, 1)'
ease-emphasized: 'cubic-bezier(0.2, 0, 0, 1)'
ease-spring: 'cubic-bezier(0.34, 1.56, 0.64, 1)' # for component-demo bounces
duration-fast: 100
duration-standard: 200
duration-slow: 300
duration-component-demo: 600
cta-hover: 'violet brightens 6c47ff → 8a6dff over 100ms'
card-hover: 'border opacity 0.06 → 0.12 over 200ms; subtle 1px translateY(-1)'
hero-glow: 'soft 320px violet halo behind hero copy — static (no breathing animation)'
component-tab-switch: 'spring-eased 600ms morph between component states (sign-in → sign-up → user-button)'
reveal: 'sections fade-up from translateY(16px)/opacity 0 → 0/1 over 300ms standard ease'
reduced-motion: 'respects prefers-reduced-motion: reduce — component morphs become instant swaps; reveal degrades to opacity-only.'
breakpoints:
mobile: 640
tablet: 1024
desktop: 1280
wide: 1440
shadows:
ambient: 'rgba(0,0,0,0.32) 0 1px 2px'
card: 'rgba(0,0,0,0.32) 0 8px 24px'
elevated: 'rgba(0,0,0,0.48) 0 16px 32px'
modal: 'rgba(0,0,0,0.48) 0 24px 48px'
ring-violet: '0 0 0 2px #6c47ff'
hero-halo: '0 0 320px 0 rgba(108,71,255,0.32)'
accessibility:
contrast-text-on-bg: 16.1 # #ffffff on #131316 — AAA
contrast-muted-on-bg: 6.8 # #9394a1 on #131316 — AA at body sizes
contrast-on-violet-cta: 5.6 # #ffffff on #6c47ff — AA at body sizes
contrast-link-on-bg: 5.4 # #6c47ff on #131316 — AA large
contrast-link-hover-on-bg: 7.2 # #8a6dff on #131316 — AAA
focus-ring: '2px solid #6c47ff + 2px outline-offset (Clerk-violet ring)'
reduced-motion-honored: true
touch-target-min: 36
keyboard-nav: 'Tab moves logo → product nav → docs → pricing → sign in → primary CTA; arrow keys navigate component-demo tabs.'
dark-mode: native # Clerk ships dark-first; light theme available for `<SignIn />` component but marketing site is dark-only
lineage:
summary: |
Clerk's marketing site is the canonical modern drop-in-auth dev-tool
canvas — a near-black ground (`#131316`) with a subtle warm-violet
undertone, white text in Geist Sans 700 at 64px / `-2.24px` tracking,
and the unmistakable Clerk-violet (`#6c47ff`) as the single brand
colour. The visual lineage is unmistakably Vercel-trained: the Geist
typography, the near-black canvas, the mono-uppercase eyebrows in
Söhne Mono, the 6px button radius, the backdrop-blur glassy navbar,
the sub-100ms hover transitions — all canonical 2020–2022 dev-tool
moves Vercel popularised and Clerk extended. What Clerk added was
the component-as-marketing-asset move (borrowing from Stripe Elements):
embedding the live `<SignIn />` component directly on the marketing
page instead of showing screenshots. The brand colour Clerk-violet
is the move that distinguishes Clerk from the rest of the Vercel-trained
cohort — a deliberate flag-plant in an empty chromatic position in
the dev-tool palette.
influences:
- name: Vercel
role: Geist typeface, near-black canvas, glassy backdrop-blur navbar.
url: https://vercel.com
- name: Stripe Elements
role: Embedded-component-as-marketing pattern — Clerk applies this to every component.
url: https://stripe.com
- name: Linear
role: Sub-100ms motion discipline and hairline border depth strategy.
url: https://linear.app
- name: Klim Type Foundry
role: Söhne Mono typeface for the mono-uppercase eyebrow signature.
url: https://klim.co.nz
- name: Resend
role: Modern dev-tool brand-cyan precedent for choosing a single bright accent.
url: https://resend.com
---
## 1. Visual Theme & Atmosphere
Clerk's marketing site is the canonical **modern drop-in-auth dev-tool canvas** — a near-black ground (`#131316`) anchored on absolute white text and the unmistakable Clerk-purple (`#6c47ff`) as the single brand colour. The page reads as a Vercel-trained dev-tool with a violet voice — tight 64px Geist Sans 700 display, mono-uppercased eyebrows, glassy navbar with backdrop-blur, sub-100ms hover transitions. It feels like a modern engineering tool that respects the developer's time: every CTA names the outcome, every component is a live demo of the actual product, every page is a study in restraint.
The chromatic system is **dark-canvas + white-text + Clerk-violet**. The canvas at `#131316` is slightly warmer than pure `#000000` — a deliberate ~3% lift toward purple to give the page a subtle violet tonal undertone that ties to the brand colour. White text runs at full `#ffffff` (Clerk doesn't soften it to off-white; the contrast is intentional). Eyebrow / muted text drops to `#9394a1` — a neutral cool-grey, never tinted. Clerk-violet `#6c47ff` is the only brand colour: it carries every primary CTA, every focus ring, every active-state highlight, and the wordmark. Hover brightens to `#8a6dff`, pressed darkens to `#5938e0`. There is no secondary brand colour — purple is the entire identity.
Type runs **Geist** (the Vercel-released open-source typeface) with **Suisse** as the fallback. Display is Geist Sans at 64–80px / 700 with `-2.24px` tracking, body is Geist / Suisse 16/400. Eyebrows are **Söhne Mono** (or Geist Mono fallback) at 11/500 uppercase with `0.10em` letter-spacing — the mono-uppercase eyebrow is the typographic signature, immediately marking the page as "modern dev-tool". Pricing display uses Geist Numbers at 48/700 with `tnum` for tabular figures.
Shape language is **6–16px radii** with tight, restrained curves. Buttons round at 6px (compact, dev-tool default), feature cards at 16px, code blocks at 12px. Pills are 9999px and used only for status / eyebrow tags. There are no hero shells with 24px+ radii — Clerk keeps the radius scale modest to read as engineering tool rather than marketing landing page.
The signature visual element is the **live `<SignIn />` component embedded directly on the marketing page**. Where competitors show product screenshots, Clerk shows the actual interactive sign-in component running in real time — you can type in it, the social-login buttons work, the form validates. This component-as-marketing-asset move is unique to Clerk and is the literal proof of "drop-in auth": the demo IS the product.
**Key Characteristics:**
- Near-black canvas (`#131316`) with subtle warm-violet undertone — never pure black
- Geist Sans 700 display at 64px with `-2.24px` tracking — the Vercel-trained typographic foundation
- Söhne Mono uppercase eyebrows (11/500, 0.10em tracking) — the dev-tool typographic signature
- Single brand colour: Clerk-violet `#6c47ff` — wordmark, every primary CTA, focus ring, active state
- Live `<SignIn />` component embedded as the hero — the demo IS the product
- Glassy backdrop-blur navbar at 72% opacity — Vercel-style sticky header
- 6px button radius, 16px card radius — tight engineering-tool proportions
- Soft 320px violet halo glow behind hero copy — static (no breathing)
- Sub-100ms hover transitions — Clerk respects developer time
- Spring-eased component-demo tab morphs (600ms) — the page's only emphasized motion
## 2. Color Palette & Roles
### Primary
- **Canvas** (`#131316`) — default page ground. Near-black with a subtle warm-violet tonal undertone (the ~3% lift toward purple ties it to the brand).
- **Section** (`#1a1a1f`) — alt section ground; one tier above canvas.
- **Surface** (`#22222a`) — card / panel ground; two tiers above canvas.
- **Surface Strong** (`#2c2c35`) — hovered card surface.
- **Deep** (`#0a0a0c`) — deepest near-black for footer / mood-zone sections.
- **Text** (`#ffffff`) — primary text colour. Pure white, never softened to off-white.
- **Text Muted** (`#9394a1`) — secondary text, eyebrows, captions. Cool-grey neutral.
- **Text Soft** (`#7c7d8a`) — placeholder, faint metadata.
- **Text Faint** (`#5e5f6b`) — footer micro-text, disabled states.
### Brand & Dark
- **Clerk Violet** (`#6c47ff`) — the signature brand colour. Wordmark, every primary CTA, focus ring, active-state highlight, link colour on dark.
- **Brand Light** (`#8a6dff`) — hover brightening.
- **Brand Deep** (`#5938e0`) — pressed/active state.
- **Brand Pale** (`#a48efc`) — palest tint for halo glows and pill text.
- **Brand Soft** (`rgba(108,71,255,0.16)`) — soft violet surface for badges and selected tags.
### Accent
- **Accent Pink** (`#ff7a8a`) — secondary brand-adjacent coral, used in marketing illustrations.
- **Accent Cyan** (`#3acefa`) — cyan accent for code-block syntax highlighting (strings, types).
- **Accent Yellow** (`#fff066`) — tertiary highlight for changelog "NEW" badges.
### Interactive
- **Link on dark** (`#6c47ff`) — Clerk-violet, often without underline (icon `→` indicates link).
- **Link hover** (`#8a6dff`) — violet brightens.
- **Selected** (`#6c47ff`) — 2px violet border on selected pricing tier, focused inputs.
- **Disabled** (`rgba(255,255,255,0.32)`) text on `rgba(255,255,255,0.06)` surface.
### Neutral Scale
- **White** (`#ffffff`) — pure
- **Muted** (`#9394a1`)
- **Soft** (`#7c7d8a`)
- **Faint** (`#5e5f6b`)
- **Hairline CTA** (`#42434d`) — secondary button background
- **Surface Strong** (`#2c2c35`)
- **Surface** (`#22222a`)
- **Section** (`#1a1a1f`)
- **Canvas** (`#131316`)
- **Deep** (`#0a0a0c`)
### Surface & Borders
- **Border** — `rgba(255,255,255,0.10)` — default hairline
- **Border Soft** — `rgba(255,255,255,0.06)` — softer inter-card hairline
- **Border Strong** — `rgba(255,255,255,0.16)` — emphasized hairline (focus-adjacent borders)
- **Border Brand** — `#6c47ff` — focus ring or selected state
- **Border CTA Hairline** — `#42434d` — observed on secondary CTAs
### Shadow Colors
Clerk's shadow palette is **deep neutral with one violet glow accent**. The atmospheric depth comes from the hero violet halo, not from layered shadows on cards.
- `rgba(0,0,0,0.32) 0 1px 2px` — ambient
- `rgba(0,0,0,0.32) 0 8px 24px` — card hover
- `rgba(0,0,0,0.48) 0 16px 32px` — elevated
- `rgba(0,0,0,0.48) 0 24px 48px` — modal
- `0 0 320px 0 rgba(108,71,255,0.32)` — hero halo
### Semantic
- **Success Green** (`#36d576`) — used in changelog and success toasts
- **Warning Amber** (`#ffb547`) — advisory state
- **Danger Red** (`#ef2236`) — error state
- **Info Cyan** (`#3acefa`) — informational
## 3. Typography Rules
### Font Family
**Display & Body**: `Geist Sans` (Vercel, 2024, open-source) with `Suisse` as the legacy fallback. Geist is a geometric grotesque designed for technical interfaces — open apertures, slightly tighter than Inter. Clerk runs Geist at weights 400, 500, 600, and 700.
**Mono**: `Söhne Mono` (Klim Type Foundry) is the canonical eyebrow / code-block font, with `Geist Mono` as the modern fallback. Used for uppercase eyebrows, code blocks, and inline code.
**Numbers**: `Geist Numbers` (Geist's monospaced numeric variant) is used for pricing display and metrics — provides `tnum` tabular figures.
**OpenType features**: `ss01` and `ss02` enabled on display Geist for the alternate-`a` and alternate-`g` forms. `tnum` enabled on all numeric display.
### Hierarchy
| Role | Font | Size | Weight | Line Height | Letter Spacing | OT Features | Notes |
|------|------|------|--------|-------------|----------------|-------------|-------|
| hero-display | Geist Sans | 80 | 700 | 1.05 | -2.8px | ss01 | Hero — "The most comprehensive User Management Platform" |
| h1 | Geist Sans | 64 | 700 | 1.12 | -2.24px | ss01 | Page title — observed on pricing |
| h2-eyebrow-mono | Söhne Mono | 11 | 500 | 1.63 | 0.10em uppercase | — | Section eyebrow — "PRICING", "FEATURES" |
| h2 | Geist Sans | 40 | 700 | 1.10 | -1.4px | ss01 | Section heading |
| h3 | Geist Sans | 28 | 600 | 1.20 | -0.5px | — | Sub-section |
| h4 | Geist Sans | 18 | 600 | 1.33 | -0.2px | — | Feature card title |
| h5 | Geist Sans | 16 | 600 | 1.40 | -0.1px | — | Sub-feature |
| body-lg | Geist Sans | 18 | 400 | 1.55 | 0 | — | Hero sub-copy |
| body-md | Geist Sans | 16 | 400 | 1.50 | 0 | — | Default body |
| body-sm | Geist Sans | 14 | 400 | 1.50 | 0 | — | Secondary body |
| label | Geist Sans | 13 | 500 | 1.40 | 0 | — | Form labels, sub-nav |
| button-label | Geist Sans | 13 | 500 | 1.0 | 0 | — | Button text — note 13/500 default |
| nav-link | Geist Sans | 13 | 500 | 1.20 | 0 | — | Top nav |
| caption | Geist Sans | 12 | 400 | 1.40 | 0 | — | Captions |
| micro | Geist Sans | 11 | 400 | 1.40 | 0.01em | — | Footer legal |
| code-inline | Söhne Mono | 14 | 400 | 1.50 | 0 | — | Inline `<code>` |
| code-block | Söhne Mono | 13 | 400 | 1.55 | 0 | — | Code panel |
| pricing-display | Geist Numbers | 48 | 700 | 1.0 | -1.4px | tnum | "$0", "$25" |
| metric | Geist Numbers | 32 | 700 | 1.0 | -0.5px | tnum | Metric callouts |
### Principles
- **Geist Sans 700 with negative tracking is the display signature.** `-2.24px` on h1 is the marker — substitute Inter at weight 700 with `-0.04em` to approximate.
- **Mono-uppercase eyebrows are the typographic signature.** Söhne Mono 11/500 uppercase with 0.10em tracking. Without the mono eyebrow, Clerk reads as generic dev-tool.
- **Body at 16/400, hero sub-copy at 18/400.** Clerk uses 16 not 17 for body; the Vercel-trained foundation favors slightly tighter.
- **`tnum` on every price and metric.** Geist Numbers ensures alignment.
- **No serif, anywhere.** Clerk commits to a sans-only system; even pull-quotes use Geist 24/400 italic.
- **Tighter tracking than Stripe.** Clerk's `-2.24px` at 64px (≈ -0.035em) is tighter than Stripe's `-0.025em` — modern dev-tool, not financial-platform.
- **Inter is the closest open-source substitute.** Use Inter at the same weights with slightly tighter tracking; pair with JetBrains Mono for the eyebrow.
## 4. Component Stylings
### Buttons
**`button-primary`** — Clerk-violet (`#6c47ff`) fill, white text, 13/500 Geist Sans, 6px radius, 8×16px padding, 36px height. Hover brightens to `#8a6dff`. Used for "Sign up", "Get started", "Talk to sales".
**`button-primary-large`** — same colour scheme, 8px radius, 12×24px padding, 44px height. Used for hero-prominent CTAs.
**`button-secondary-glass`** — `#42434d` (warm dark grey) fill, white text. Same dimensions as primary. Hover brightens by 10%.
**`button-ghost`** — transparent fill, white text, 1px `rgba(255,255,255,0.10)` border. Used for "Read the docs" alongside the primary.
**`button-text-link`** — plain violet text (`#6c47ff`), often with `→` arrow icon. Hover brightens to `#8a6dff`. No underline by default.
**`button-icon`** — 32×32 square button, 6px radius, transparent fill, white icon. Used for menu toggles and copy-to-clipboard.
### Cards
**`card-feature`** — feature card. `#1a1a1f` surface, 16px radius, 1px `rgba(255,255,255,0.06)` border, 32px internal padding. Stack: optional violet icon, h4 title, body description, optional inline `→` link.
**`card-component-demo`** — live component demo. `#22222a` surface, 16px radius, 1px `rgba(255,255,255,0.10)` border, 24px padding. Embeds the actual `<SignIn />`, `<UserButton />`, or `<OrganizationSwitcher />` component running interactively.
**`card-pricing`** — pricing tier. `#1a1a1f` surface, 16px radius, 32px padding. The recommended ("Pro") tier has a 2px `#6c47ff` border instead of the default hairline.
**`card-stat`** — metric card. `#22222a` surface, 16px radius, 32px padding. Massive Geist Numbers 32/700 metric, eyebrow label below.
### Badges, Tags, Pills
**`pill-eyebrow`** — soft brand surface `rgba(108,71,255,0.16)` ground, brand-pale `#a48efc` text, 9999px radius, 4×10px padding, 11/500 Söhne Mono uppercase. "NEW", "BETA", "AVAILABLE NOW".
**`pill-tag-mono`** — outlined mono tag. Transparent fill, muted text `#9394a1`, 1px `rgba(255,255,255,0.10)` border, 11/500 Söhne Mono uppercase. Used in changelog and feature lists.
**`pill-status`** — semantic status pill. Success: `rgba(54,213,118,0.12)` ground + `#36d576` text. Error: `rgba(239,34,58,0.12)` ground + `#ef2236` text.
### Inputs / Forms
**`input-dark`** — `#22222a` surface, white text, 1px `rgba(255,255,255,0.10)` border, 6px radius, 40px height, 10×12px padding. Placeholder in `#7c7d8a`. On focus: 2px `#6c47ff` violet ring.
**`textarea`** — same as input with auto-grow.
**`select-dropdown`** — same as input with chevron-down icon flush right.
**`checkbox`** — 16×16px, 4px radius, hairline border default. On checked: violet fill, white check.
**`radio`** — 16×16px circle, hairline border. On selected: violet fill, white dot.
### Navigation
**`navbar-top`** — top nav. `rgba(19,19,22,0.72)` ground with `backdrop-blur(8px)`, 1px `rgba(255,255,255,0.06)` bottom border, 64px height. Clerk wordmark flush left in white. Product / docs / pricing / customers links flush right in 13/500 Geist Sans. Sign-in link + primary CTA flush right end.
**`mega-menu`** — opens from product nav. `#1a1a1f` surface, 16px radius, 1px hairline border, 32px padding, soft shadow. Multi-column nav with mono-uppercase eyebrow titles and feature row links.
**`footer`** — `#0a0a0c` deep ground, 5-column link list at desktop. Eyebrow group titles in mono-uppercase, link rows in 13/400 muted, social row at the bottom.
**`breadcrumb`** — muted text `#9394a1` with `/` separators, 13/400.
### Tooltips, Toasts, Modals
**`tooltip`** — `#22222a` ground, 6px radius, 8×10px padding, 12/400 white text, ambient shadow.
**`toast`** — bottom-right corner. `#1a1a1f` ground, 12px radius, 1px hairline, 16×20px padding, 14/400 white text. Auto-dismiss 5s.
**`modal`** — centred dialog over `rgba(0,0,0,0.72)` scrim. `#1a1a1f` surface, 16px radius, 1px `rgba(255,255,255,0.10)` border, 32px padding, 24×48px shadow.
### Code Block
**`code-block`** — `#1a1a1f` ground, 12px radius, 1px `rgba(255,255,255,0.06)` border, 20×24px padding. Söhne Mono 13/400. Violet (`#6c47ff`) keywords, cyan (`#3acefa`) strings, white default text. Optional copy button top-right.
### Decorative
**`hero-halo`** — soft 320px-radius violet glow behind hero copy. Static (no breathing animation, unlike Auth0). `0 0 320px 0 rgba(108,71,255,0.32)`.
**`signin-component`** — the actual `<SignIn />` component running on marketing pages. `#22222a` surface, 16px radius, 1px hairline, 32px padding. Stacks: app logo, "Sign in to [App]" title, social provider buttons (Google, GitHub, Apple), divider with "or", email input, primary violet CTA "Continue", "Don't have an account?" link.
## 5. Layout Principles
### Spacing System
- Base unit: **4px**
- Scale: `4 · 8 · 12 · 16 · 20 · 24 · 32 · 40 · 48 · 64 · 80 · 96 · 128 · 160`
- Hero padding (vertical): **128px** at desktop
- Section padding: **96–128px** between major sections
- Card internal padding: **32px** for feature cards, **24px** for component-demo cards
- Gutter: **24px** between feature cards in 2- or 3-column layout
### Grid & Container
- Max content width: **1200px** centred
- Hero: full-width with violet halo extending beyond container; copy capped at 720px prose width
- Feature grid: 2-column at desktop with 24px gutter; 3-column for compact features
- Pricing: 4-column tier comparison cards; "Pro" tier is highlighted with violet border
- Component-demo grid: 2-column where the live `<SignIn />` is alongside descriptive copy
### Whitespace Philosophy
Clerk gives sections **modern dev-tool breath**: 96–128px between major bands, 32px internal card padding, 24px gutters. The hero band is 128px tall (less cinematic than Auth0's 160px, more like a Vercel landing page). The result feels considered but not theatrical — engineering tool, not consumer marketing.
### Section Cadence
The page alternates **canvas (`#131316`) → section (`#1a1a1f`) → canvas → component-demo zone → canvas**. The component-demo zones break the rhythm with a `#22222a` surface card containing the live `<SignIn />` component — these are the page's most-styled moments. There is no light-flip section; Clerk commits to dark-only on the marketing canvas.
## 6. Shapes & Radius Scale
| Tier | Value | Use |
|------|-------|-----|
| Micro | 2px | Dense table corners |
| Small | 4px | Checkboxes, radio outlines |
| Default | 6px | Buttons, inputs, dropdowns |
| Standard | 8px | Larger CTAs, small panels |
| Comfortable | 12px | Code blocks |
| Card | 16px | Feature cards, modals, component-demo |
| Pill | 9999px | Status pills, eyebrow tags |
The default radius is **6px** — slightly tighter than the conventional 8px most modern dev-tools use. Cards step up to 16px (one tier above the standard 12px). There are no compound radii.
## 7. Depth & Elevation
| Level | Treatment | Use |
|-------|-----------|-----|
| 0 — Flat | no shadow | Body sections, navbar at top |
| 1 — Hairline | `1px rgba(255,255,255,0.10)` border | Cards at rest |
| 2 — Card | `rgba(0,0,0,0.32) 0 8px 24px` | Hovered cards, mega-menu |
| 3 — Elevated | `rgba(0,0,0,0.48) 0 16px 32px` | Sticky bars, dropdown panels |
| 4 — Modal | `rgba(0,0,0,0.48) 0 24px 48px` | Centred dialog |
| 5 — Halo | `0 0 320px 0 rgba(108,71,255,0.32)` | Hero violet halo (decorative) |
### Shadow Philosophy
Clerk's depth is **two-channel**: hairline borders for rest state, deep-neutral shadows for hover/elevated, **violet halo** for hero atmosphere. The hairline border is the dominant rest treatment — most cards have no shadow, just a 1px `rgba(255,255,255,0.06)` or 0.10 border. On hover, the shadow appears alongside the brightening border. The hero halo is the only decorative depth on the page.
## 8. Interaction & Motion
### Easing
- **Standard**: `cubic-bezier(0.4, 0, 0.2, 1)` — default for hover, focus, fade
- **Emphasized**: `cubic-bezier(0.2, 0, 0, 1)` — modal entry, mega-menu
- **Spring**: `cubic-bezier(0.34, 1.56, 0.64, 1)` — component-demo morphs (spring overshoot for personality)
### Durations
| Bucket | Value | Use |
|--------|-------|-----|
| Fast | 100ms | Hover colour swap, focus ring fade-in |
| Standard | 200ms | Card hover, mega-menu open |
| Slow | 300ms | Modal enter, drawer slide |
| Demo | 600ms | Component-demo tab morphs (spring eased) |
### Per-Component Recipes
- **CTA hover**: violet brightens `#6c47ff` → `#8a6dff` over 100ms. No transform.
- **Card hover**: border opacity transitions 0.06 → 0.12 over 200ms; subtle 1px `translateY(-1)` lift.
- **Hero halo**: static — no animation. Clerk doesn't breathe the halo (unlike Auth0).
- **Component-demo morph**: when user toggles between `<SignIn />`, `<SignUp />`, and `<UserButton />` tabs, the embedded component morphs over 600ms with spring easing — children fade out, container resizes, new children fade in. The page's signature emphasized motion.
- **Section reveal**: scrolling sections fade-up from `translateY(16px)` / `opacity(0)` over 300ms standard ease.
- **Mega-menu open**: 200ms fade + 4px slide-down from navbar bottom.
- **Modal enter**: scrim fades over 200ms; dialog enters from `translateY(8px)/opacity(0)` to `0/1` over 300ms emphasized.
- **Code block copy**: copy button fades from "Copy" to "Copied" over 200ms with a small green check.
- **Link hover**: violet brightens by ~10% luminance over 100ms.
### Page Transitions
Page-to-page navigation uses no transition — links fire a hard navigation. Clerk prioritises perceived speed.
### Reduced Motion
Respects `prefers-reduced-motion: reduce`. Component-demo morphs become instant swaps (no spring). Section reveals degrade to opacity-only. Card hover loses the translateY but keeps the border opacity transition.
## 9. Accessibility & A11y
### Contrast Pairs
| Pair | Ratio | Level |
|------|-------|-------|
| #ffffff white on #131316 canvas | 16.1 | AAA |
| #9394a1 muted on #131316 canvas | 6.8 | AA at body sizes |
| #ffffff on #6c47ff violet CTA | 5.6 | AA at body sizes |
| #6c47ff link on #131316 | 5.4 | AA large only at body sizes |
| #8a6dff link hover on #131316 | 7.2 | AAA |
| #36d576 success on #131316 | 8.1 | AAA |
| #ef2236 error on #131316 | 4.7 | AA large |
The violet CTA pair sits at **5.6 — AA at body sizes**. Clerk renders the violet at full opacity without layered transparency to preserve the contrast ratio.
### Focus Indicators
Focus ring is **2px solid `#6c47ff` (Clerk-violet) with 2px outline-offset**. All focusable elements use this exact ring — buttons, inputs, links, tab triggers, component-demo controls. The violet ring is also the brand colour, which doubles its function: it's both a contrast indicator and a brand affordance.
### ARIA Patterns
- **Top nav**: `role="navigation"`, `aria-label="Primary"`. Mega-menu uses `role="menu"` with `role="menuitem"`.
- **Component-demo tabs**: `role="tablist"` with `role="tab"` and `aria-controls` linking to `<SignIn />`, `<SignUp />`, `<UserButton />` panels.
- **Live `<SignIn />`** has full ARIA — `role="form"`, `aria-label="Sign in"`, all inputs labelled, error states announced via `aria-live="polite"`.
- **Pricing tier cards**: headlined with `<h3>`. Recommended tier has `aria-current="true"`.
- **Modal**: `role="dialog"`, `aria-modal="true"`, focus trap, Esc closes.
- **Code blocks**: `role="region"`, `aria-label="Code example"`. Copy button announces "Copied" via `aria-live="polite"`.
### Keyboard Navigation
- Tab: logo → product → docs → pricing → customers → sign in → primary CTA
- Component-demo tabs: arrow keys cycle, Tab moves to active panel
- Modal: focus trap, Tab cycles within
- Skip-to-main link visible on first Tab
### Screen Reader Hints
- Hero halo glow has `aria-hidden="true"` (decorative only)
- Mono-uppercase eyebrows are announced as the section heading
- Live `<SignIn />` component announces form state and validation
- Code copy button announces success state via `aria-live`
### Reduced Motion
Component-demo morphs become instant. Section reveals degrade to opacity-only. Modal slide degrades to fade.
## 10. Responsive Behavior
### Breakpoints
| Name | Width | Key Changes |
|------|-------|-------------|
| Mobile | <640px | Nav collapses to logo + hamburger; hero copy 40px; feature grid stacks 1-up; halo radius reduces to 160px |
| Tablet | 640–1024px | Nav reveals product + sign-in; feature grid 2-up |
| Desktop | 1024–1280px | Full nav with mega-menu; feature grid 3-up; container caps at 1200px |
| Wide | 1280–1440px | Container stays 1200px; halo extends into negative space |
### Touch Targets
- Primary CTAs: 36px height — meets AA (44px on mobile via larger hit zone)
- Nav links: 36×16px tap targets at desktop, 44×20 on mobile
- Form inputs: 40px — borderline AA; mobile increases to 44
- Component-demo controls: 32px tab buttons with 8px hit-padding
### Collapsing Strategy
- Nav: product / docs / customers collapse into hamburger drawer at <1024px
- Hero: copy reflows from 80px to 56px to 40px
- Feature grid: 3-up → 2-up → 1-up; gutters compress 24 → 16 → 12px
- Pricing: 4-column → 2-column → 1-column; "Pro" tier surfaces first on mobile
- Component-demo: 2-column splits to single-column stack at <1024px; live component moves above descriptive copy
### Image Behavior
Marketing illustrations use inline SVG. Brand logos use SVG. Hero halo is rendered with CSS `box-shadow` (no image), so it scales perfectly.
### Container Queries
Used in the `<SignIn />` component-demo card: when card width drops below ~360px, social-provider buttons stack instead of inline.
## 11. Content & Voice
### Tone
Modern, technical, friendly. Clerk's voice positions auth as **a solved problem you can drop in** — the copy assumes the reader is a developer who has built auth before and would rather not. Headlines lead with completion-of-task ("Auth that's complete in minutes", "All the user-management features you need"). The voice is explicitly non-enterprise: no "compliance", no "trust", no "scale" language at the top of pages — those appear deeper in the docs.
### Microcopy Patterns
- **Button verbs**: "Get started", "Sign up", "Talk to sales", "Read the docs", "View pricing", "Try the demo"
- **Eyebrow labels**: uppercase Söhne Mono 11/500, 0.10em tracking — "AUTH", "USER MANAGEMENT", "ORGANIZATIONS", "AVAILABLE NOW"
- **Error message recipe**: short + actionable — "Email already in use. Try signing in instead."
- **Success confirmations**: instant + minimal — "Welcome back, [Name]"
- **Field labels**: invisible / floating — Clerk leans on placeholder-as-label with floating-label animation
- **Doc links**: lead with the verb — "Read the SDK guide", "View API reference", "See changelog"
### Empty States
- Empty users: "No users yet. Invite users or share a sign-up link."
- Empty organizations: "No organizations yet. Create one to start."
- Empty sessions: "No active sessions. Users will appear here when they sign in."
### CTA Verb Conventions
- Primary: "Sign up", "Get started", "Start building"
- Secondary: "Read the docs", "View demo", "Try free"
- Tertiary: "Learn more →", "View pricing", "See changelog"
- Avoided: "Click here", "Submit", "Buy now"
## 12. Dark Mode & Theming
**Dark-only on the marketing site.** Clerk commits to dark for the entire marketing canvas. The `<SignIn />` component itself ships with both light and dark themes (developers can configure either) but the public marketing pages are dark-only.
### Component Theming
The `<SignIn />` component supports full theming via the `appearance` prop:
```yaml
component-light:
bg: '#ffffff'
text: '#131316'
border: 'rgba(0,0,0,0.10)'
brand: '#6c47ff' # invariant — Clerk-violet works on both themes
input-bg: '#f7f7f8'
input-border: 'rgba(0,0,0,0.10)'
component-dark:
bg: '#22222a'
text: '#ffffff'
border: 'rgba(255,255,255,0.10)'
brand: '#6c47ff' # invariant
input-bg: '#131316'
input-border: 'rgba(255,255,255,0.10)'
```
The brand violet (`#6c47ff`) is invariant across themes — it's a brand colour, not a context colour. Clerk-violet works on both light and dark canvases because the hue is balanced for both luminance contexts.
## 13. Lineage & Influences
Clerk's visual lineage is unmistakably **Vercel-trained**. The Geist typography, the near-black canvas, the mono-uppercase eyebrows, the 6px button radius, the backdrop-blur glassy navbar, the sub-100ms hover transitions — all of these are visual moves Vercel canonised in 2020–2022 and that became the early-2020s "modern dev-tool" template. Clerk borrowed the entire foundation.
What Clerk added was **the component-as-marketing-asset move** — embedding the live `<SignIn />` component directly on the marketing page instead of showing screenshots. This is a Stripe-Elements move (Stripe pioneered embedding the actual `<CardElement />` on the marketing site), but Clerk applied it to the entire surface area: every component the SDK ships gets a live demo on the marketing page. The result is the only auth dev-tool whose marketing IS the product.
The brand colour choice — Clerk-violet `#6c47ff` — is the move that distinguishes Clerk from the rest of the Vercel-trained cohort. Where Vercel commits to single-blue trust, Linear to deep-purple gravitas, and Resend to brand-cyan, Clerk planted the violet flag specifically because it was empty space in the dev-tool palette circa 2020. The hue is bright enough to read as modern (not enterprise) but subdued enough to read as professional (not toy). It's the most-imitated dev-tool brand colour of the early 2020s.
What Clerk rejects: **light canvases on marketing** (dark-only commitment), **photographic product screenshots** (live components instead), **enterprise blue trust** (violet voice instead), and **theatrical motion** (sub-100ms hover, no breathing halos).
**Influences:**
- Vercel — Geist typeface, near-black canvas, glassy navbar, backdrop-blur, [vercel.com](https://vercel.com)
- Stripe Elements — embedded-component-as-marketing pattern, [stripe.com](https://stripe.com)
- Linear — sub-100ms motion discipline, [linear.app](https://linear.app)
- Resend — modern dev-tool brand-cyan precedent for choosing a single bright accent, [resend.com](https://resend.com)
- Klim Type Foundry — Söhne Mono typeface, [klim.co.nz](https://klim.co.nz)
## 14. Do's and Don'ts
**Do**
- Anchor the canvas on `#131316` near-black with a subtle warm-violet undertone — never pure black
- Run display in Geist Sans 700 with `-2.24px` tracking at 64px — the typographic foundation
- Use Söhne Mono uppercase eyebrows at 11/500 with 0.10em tracking — the typographic signature
- Plant Clerk-violet `#6c47ff` on every primary CTA, focus ring, and the wordmark
- Embed the live `<SignIn />` component as the marketing hero — the demo IS the product
- Use 6px button radius / 16px card radius — tight engineering-tool proportions
- Apply `backdrop-blur(8px)` to the sticky navbar at 72% opacity — Vercel-style
- Sub-100ms hover transitions — Clerk respects developer time
- Use spring easing (600ms) for component-demo morphs — the only emphasized motion
- Render the violet halo behind hero copy as static — no breathing animation
**Don't**
- Don't use pure `#000000` — `#131316` with the violet undertone is the canvas
- Don't substitute Inter at the same weights — Inter reads as generic SaaS, not Clerk
- Don't show product screenshots — live components are non-negotiable
- Don't introduce a second brand colour — Clerk-violet does all the brand work
- Don't make the halo glow breathe — Clerk's halo is static (Auth0 breathes; Clerk doesn't)
- Don't use button radius greater than 8px — tight 6px is the dev-tool quality
- Don't tighten section padding below 96px — the breath is what makes it considered
- Don't use serif type anywhere — Geist + Söhne Mono is the entire typographic system
- Don't use enterprise "trust" language at the top of pages — Clerk leads with dev outcomes
- Don't over-animate — sub-100ms hover, no decorative motion
## 15. Agent Prompt Guide
### Quick Color Reference
```
Canvas: #131316
Section: #1a1a1f
Surface: #22222a
Text White: #ffffff
Text Muted: #9394a1
Clerk Violet: #6c47ff
Brand Hover: #8a6dff
Brand Pressed: #5938e0
Border (Hairline):rgba(255,255,255,0.10)
Border (Soft): rgba(255,255,255,0.06)
CTA Hairline: #42434d
Halo: rgba(108,71,255,0.32)
```
### Example Component Prompts
- "Create a Clerk-style hero section: near-black canvas (`#131316`), 128px vertical padding, hero copy in Geist Sans 64/700 with `-2.24px` tracking, white text. Eyebrow above in Söhne Mono 11/500 uppercase with 0.10em tracking, violet `#a48efc` text on `rgba(108,71,255,0.16)` pill surface. Sub-copy in Geist Sans 18/400 muted `#9394a1`. Soft 320px violet halo glow (`0 0 320px 0 rgba(108,71,255,0.32)`) behind copy — static, no breathing. Primary CTA: violet (`#6c47ff`) fill, white text, 13/500, 6px radius, 8×16px padding, 36px height. Secondary glass CTA: `#42434d` fill, white text."
- "Build a Clerk component-demo card: `#22222a` surface, 16px radius, 1px `rgba(255,255,255,0.10)` border, 24px padding. Embed the live `<SignIn />` component — app logo at top, 'Sign in to [App]' title in Geist 18/600, social provider buttons (Google, GitHub, Apple) stacked, divider with 'or', email input with violet focus ring, primary violet 'Continue' CTA, 'Don't have an account?' link with 'Sign up' violet text."
- "Design a Clerk pricing tier card: `#1a1a1f` surface, 16px radius, 32px padding. Default cards have 1px `rgba(255,255,255,0.10)` border; the 'Pro' tier highlights with 2px `#6c47ff` violet border. Stack: tier name in Söhne Mono 11/500 uppercase, price in Geist Numbers 48/700 with `tnum`, '/month' caption in 14/400 muted, feature checklist with violet check icons, primary CTA at the bottom."
- "Create a Clerk navbar: 64px tall, `rgba(19,19,22,0.72)` ground with `backdrop-blur(8px)`, 1px `rgba(255,255,255,0.06)` bottom border. Clerk wordmark flush left in white. Nav links 'Product', 'Docs', 'Pricing', 'Customers' in Geist 13/500 white, with 24px gutters. Sign-in text link + primary violet CTA flush right."
- "Build a Clerk code block: `#1a1a1f` ground, 12px radius, 1px `rgba(255,255,255,0.06)` border, 20×24px padding. Söhne Mono 13/400. Violet `#6c47ff` keywords (`import`, `const`, `return`), cyan `#3acefa` strings, white default text. Top-right copy button — small icon-only, transparent fill, hairline border, hover brightens. On click, button text morphs to 'Copied' for 2s with small green check."
- "Design a Clerk feature card: `#1a1a1f` surface, 16px radius, 1px `rgba(255,255,255,0.06)` border, 32px padding. Stack: optional violet icon (24×24, `#6c47ff` stroke), title in Geist 18/600 white with `-0.2px` tracking, body description in Geist 16/400 muted `#9394a1`, optional 'Read the docs →' link in violet without underline."
### Iteration Guide
1. **Start with Geist 700 + `-2.24px` tracking.** This is the typographic foundation. Substitute Inter 700 with `-0.04em` if Geist isn't available.
2. **Mono-uppercase eyebrows are non-negotiable.** Söhne Mono / Geist Mono / JetBrains Mono at 11/500 with 0.10em tracking. Without them, the page reads as generic dev-tool.
3. **Embed the actual component, not a screenshot.** Even a static SVG mockup of the `<SignIn />` UI works in spec; on live sites, embed the real component.
4. **Single brand colour: violet `#6c47ff`.** No secondary brand. Don't introduce a "feature accent" colour.
5. **Halo is static.** Soft 320px-radius violet glow behind hero — don't animate the breath. (That's Auth0; Clerk is sharper.)
6. **6px button radius, 16px card radius.** Don't soften the buttons to 8px — the 6px is the engineering-tool quality.
7. **Glassy navbar.** `backdrop-blur(8px)` at 72% opacity is the hallmark — without it, the page reads as static dev-doc.
8. **Sub-100ms hover.** Clerk's discipline is to respect time. Don't add 240ms emphasized eases on CTAs — only on component-demo morphs.
1. Visual Theme & Atmosphere
Clerk’s marketing site is the canonical modern drop-in-auth dev-tool canvas — a near-black ground (#131316) anchored on absolute white text and the unmistakable Clerk-purple (#6c47ff) as the single brand colour. The page reads as a Vercel-trained dev-tool with a violet voice — tight 64px Geist Sans 700 display, mono-uppercased eyebrows, glassy navbar with backdrop-blur, sub-100ms hover transitions. It feels like a modern engineering tool that respects the developer’s time: every CTA names the outcome, every component is a live demo of the actual product, every page is a study in restraint.
The chromatic system is dark-canvas + white-text + Clerk-violet. The canvas at #131316 is slightly warmer than pure #000000 — a deliberate ~3% lift toward purple to give the page a subtle violet tonal undertone that ties to the brand colour. White text runs at full #ffffff (Clerk doesn’t soften it to off-white; the contrast is intentional). Eyebrow / muted text drops to #9394a1 — a neutral cool-grey, never tinted. Clerk-violet #6c47ff is the only brand colour: it carries every primary CTA, every focus ring, every active-state highlight, and the wordmark. Hover brightens to #8a6dff, pressed darkens to #5938e0. There is no secondary brand colour — purple is the entire identity.
Type runs Geist (the Vercel-released open-source typeface) with Suisse as the fallback. Display is Geist Sans at 64–80px / 700 with -2.24px tracking, body is Geist / Suisse 16/400. Eyebrows are Söhne Mono (or Geist Mono fallback) at 11/500 uppercase with 0.10em letter-spacing — the mono-uppercase eyebrow is the typographic signature, immediately marking the page as “modern dev-tool”. Pricing display uses Geist Numbers at 48/700 with tnum for tabular figures.
Shape language is 6–16px radii with tight, restrained curves. Buttons round at 6px (compact, dev-tool default), feature cards at 16px, code blocks at 12px. Pills are 9999px and used only for status / eyebrow tags. There are no hero shells with 24px+ radii — Clerk keeps the radius scale modest to read as engineering tool rather than marketing landing page.
The signature visual element is the live <SignIn /> component embedded directly on the marketing page. Where competitors show product screenshots, Clerk shows the actual interactive sign-in component running in real time — you can type in it, the social-login buttons work, the form validates. This component-as-marketing-asset move is unique to Clerk and is the literal proof of “drop-in auth”: the demo IS the product.
Key Characteristics:
- Near-black canvas (
#131316) with subtle warm-violet undertone — never pure black - Geist Sans 700 display at 64px with
-2.24pxtracking — the Vercel-trained typographic foundation - Söhne Mono uppercase eyebrows (11/500, 0.10em tracking) — the dev-tool typographic signature
- Single brand colour: Clerk-violet
#6c47ff— wordmark, every primary CTA, focus ring, active state - Live
<SignIn />component embedded as the hero — the demo IS the product - Glassy backdrop-blur navbar at 72% opacity — Vercel-style sticky header
- 6px button radius, 16px card radius — tight engineering-tool proportions
- Soft 320px violet halo glow behind hero copy — static (no breathing)
- Sub-100ms hover transitions — Clerk respects developer time
- Spring-eased component-demo tab morphs (600ms) — the page’s only emphasized motion
2. Color Palette & Roles
Primary
- Canvas (
#131316) — default page ground. Near-black with a subtle warm-violet tonal undertone (the ~3% lift toward purple ties it to the brand). - Section (
#1a1a1f) — alt section ground; one tier above canvas. - Surface (
#22222a) — card / panel ground; two tiers above canvas. - Surface Strong (
#2c2c35) — hovered card surface. - Deep (
#0a0a0c) — deepest near-black for footer / mood-zone sections. - Text (
#ffffff) — primary text colour. Pure white, never softened to off-white. - Text Muted (
#9394a1) — secondary text, eyebrows, captions. Cool-grey neutral. - Text Soft (
#7c7d8a) — placeholder, faint metadata. - Text Faint (
#5e5f6b) — footer micro-text, disabled states.
Brand & Dark
- Clerk Violet (
#6c47ff) — the signature brand colour. Wordmark, every primary CTA, focus ring, active-state highlight, link colour on dark. - Brand Light (
#8a6dff) — hover brightening. - Brand Deep (
#5938e0) — pressed/active state. - Brand Pale (
#a48efc) — palest tint for halo glows and pill text. - Brand Soft (
rgba(108,71,255,0.16)) — soft violet surface for badges and selected tags.
Accent
- Accent Pink (
#ff7a8a) — secondary brand-adjacent coral, used in marketing illustrations. - Accent Cyan (
#3acefa) — cyan accent for code-block syntax highlighting (strings, types). - Accent Yellow (
#fff066) — tertiary highlight for changelog “NEW” badges.
Interactive
- Link on dark (
#6c47ff) — Clerk-violet, often without underline (icon→indicates link). - Link hover (
#8a6dff) — violet brightens. - Selected (
#6c47ff) — 2px violet border on selected pricing tier, focused inputs. - Disabled (
rgba(255,255,255,0.32)) text onrgba(255,255,255,0.06)surface.
Neutral Scale
- White (
#ffffff) — pure - Muted (
#9394a1) - Soft (
#7c7d8a) - Faint (
#5e5f6b) - Hairline CTA (
#42434d) — secondary button background - Surface Strong (
#2c2c35) - Surface (
#22222a) - Section (
#1a1a1f) - Canvas (
#131316) - Deep (
#0a0a0c)
Surface & Borders
- Border —
rgba(255,255,255,0.10)— default hairline - Border Soft —
rgba(255,255,255,0.06)— softer inter-card hairline - Border Strong —
rgba(255,255,255,0.16)— emphasized hairline (focus-adjacent borders) - Border Brand —
#6c47ff— focus ring or selected state - Border CTA Hairline —
#42434d— observed on secondary CTAs
Shadow Colors
Clerk’s shadow palette is deep neutral with one violet glow accent. The atmospheric depth comes from the hero violet halo, not from layered shadows on cards.
rgba(0,0,0,0.32) 0 1px 2px— ambientrgba(0,0,0,0.32) 0 8px 24px— card hoverrgba(0,0,0,0.48) 0 16px 32px— elevatedrgba(0,0,0,0.48) 0 24px 48px— modal0 0 320px 0 rgba(108,71,255,0.32)— hero halo
Semantic
- Success Green (
#36d576) — used in changelog and success toasts - Warning Amber (
#ffb547) — advisory state - Danger Red (
#ef2236) — error state - Info Cyan (
#3acefa) — informational
3. Typography Rules
Font Family
Display & Body: Geist Sans (Vercel, 2024, open-source) with Suisse as the legacy fallback. Geist is a geometric grotesque designed for technical interfaces — open apertures, slightly tighter than Inter. Clerk runs Geist at weights 400, 500, 600, and 700.
Mono: Söhne Mono (Klim Type Foundry) is the canonical eyebrow / code-block font, with Geist Mono as the modern fallback. Used for uppercase eyebrows, code blocks, and inline code.
Numbers: Geist Numbers (Geist’s monospaced numeric variant) is used for pricing display and metrics — provides tnum tabular figures.
OpenType features: ss01 and ss02 enabled on display Geist for the alternate-a and alternate-g forms. tnum enabled on all numeric display.
Hierarchy
| Role | Font | Size | Weight | Line Height | Letter Spacing | OT Features | Notes |
|---|---|---|---|---|---|---|---|
| hero-display | Geist Sans | 80 | 700 | 1.05 | -2.8px | ss01 | Hero — “The most comprehensive User Management Platform” |
| h1 | Geist Sans | 64 | 700 | 1.12 | -2.24px | ss01 | Page title — observed on pricing |
| h2-eyebrow-mono | Söhne Mono | 11 | 500 | 1.63 | 0.10em uppercase | — | Section eyebrow — “PRICING”, “FEATURES” |
| h2 | Geist Sans | 40 | 700 | 1.10 | -1.4px | ss01 | Section heading |
| h3 | Geist Sans | 28 | 600 | 1.20 | -0.5px | — | Sub-section |
| h4 | Geist Sans | 18 | 600 | 1.33 | -0.2px | — | Feature card title |
| h5 | Geist Sans | 16 | 600 | 1.40 | -0.1px | — | Sub-feature |
| body-lg | Geist Sans | 18 | 400 | 1.55 | 0 | — | Hero sub-copy |
| body-md | Geist Sans | 16 | 400 | 1.50 | 0 | — | Default body |
| body-sm | Geist Sans | 14 | 400 | 1.50 | 0 | — | Secondary body |
| label | Geist Sans | 13 | 500 | 1.40 | 0 | — | Form labels, sub-nav |
| button-label | Geist Sans | 13 | 500 | 1.0 | 0 | — | Button text — note 13/500 default |
| nav-link | Geist Sans | 13 | 500 | 1.20 | 0 | — | Top nav |
| caption | Geist Sans | 12 | 400 | 1.40 | 0 | — | Captions |
| micro | Geist Sans | 11 | 400 | 1.40 | 0.01em | — | Footer legal |
| code-inline | Söhne Mono | 14 | 400 | 1.50 | 0 | — | Inline <code> |
| code-block | Söhne Mono | 13 | 400 | 1.55 | 0 | — | Code panel |
| pricing-display | Geist Numbers | 48 | 700 | 1.0 | -1.4px | tnum | ”$0”, “$25” |
| metric | Geist Numbers | 32 | 700 | 1.0 | -0.5px | tnum | Metric callouts |
Principles
- Geist Sans 700 with negative tracking is the display signature.
-2.24pxon h1 is the marker — substitute Inter at weight 700 with-0.04emto approximate. - Mono-uppercase eyebrows are the typographic signature. Söhne Mono 11/500 uppercase with 0.10em tracking. Without the mono eyebrow, Clerk reads as generic dev-tool.
- Body at 16/400, hero sub-copy at 18/400. Clerk uses 16 not 17 for body; the Vercel-trained foundation favors slightly tighter.
tnumon every price and metric. Geist Numbers ensures alignment.- No serif, anywhere. Clerk commits to a sans-only system; even pull-quotes use Geist 24/400 italic.
- Tighter tracking than Stripe. Clerk’s
-2.24pxat 64px (≈ -0.035em) is tighter than Stripe’s-0.025em— modern dev-tool, not financial-platform. - Inter is the closest open-source substitute. Use Inter at the same weights with slightly tighter tracking; pair with JetBrains Mono for the eyebrow.
4. Component Stylings
Buttons
button-primary — Clerk-violet (#6c47ff) fill, white text, 13/500 Geist Sans, 6px radius, 8×16px padding, 36px height. Hover brightens to #8a6dff. Used for “Sign up”, “Get started”, “Talk to sales”.
button-primary-large — same colour scheme, 8px radius, 12×24px padding, 44px height. Used for hero-prominent CTAs.
button-secondary-glass — #42434d (warm dark grey) fill, white text. Same dimensions as primary. Hover brightens by 10%.
button-ghost — transparent fill, white text, 1px rgba(255,255,255,0.10) border. Used for “Read the docs” alongside the primary.
button-text-link — plain violet text (#6c47ff), often with → arrow icon. Hover brightens to #8a6dff. No underline by default.
button-icon — 32×32 square button, 6px radius, transparent fill, white icon. Used for menu toggles and copy-to-clipboard.
Cards
card-feature — feature card. #1a1a1f surface, 16px radius, 1px rgba(255,255,255,0.06) border, 32px internal padding. Stack: optional violet icon, h4 title, body description, optional inline → link.
card-component-demo — live component demo. #22222a surface, 16px radius, 1px rgba(255,255,255,0.10) border, 24px padding. Embeds the actual <SignIn />, <UserButton />, or <OrganizationSwitcher /> component running interactively.
card-pricing — pricing tier. #1a1a1f surface, 16px radius, 32px padding. The recommended (“Pro”) tier has a 2px #6c47ff border instead of the default hairline.
card-stat — metric card. #22222a surface, 16px radius, 32px padding. Massive Geist Numbers 32/700 metric, eyebrow label below.
Badges, Tags, Pills
pill-eyebrow — soft brand surface rgba(108,71,255,0.16) ground, brand-pale #a48efc text, 9999px radius, 4×10px padding, 11/500 Söhne Mono uppercase. “NEW”, “BETA”, “AVAILABLE NOW”.
pill-tag-mono — outlined mono tag. Transparent fill, muted text #9394a1, 1px rgba(255,255,255,0.10) border, 11/500 Söhne Mono uppercase. Used in changelog and feature lists.
pill-status — semantic status pill. Success: rgba(54,213,118,0.12) ground + #36d576 text. Error: rgba(239,34,58,0.12) ground + #ef2236 text.
Inputs / Forms
input-dark — #22222a surface, white text, 1px rgba(255,255,255,0.10) border, 6px radius, 40px height, 10×12px padding. Placeholder in #7c7d8a. On focus: 2px #6c47ff violet ring.
textarea — same as input with auto-grow.
select-dropdown — same as input with chevron-down icon flush right.
checkbox — 16×16px, 4px radius, hairline border default. On checked: violet fill, white check.
radio — 16×16px circle, hairline border. On selected: violet fill, white dot.
Navigation
navbar-top — top nav. rgba(19,19,22,0.72) ground with backdrop-blur(8px), 1px rgba(255,255,255,0.06) bottom border, 64px height. Clerk wordmark flush left in white. Product / docs / pricing / customers links flush right in 13/500 Geist Sans. Sign-in link + primary CTA flush right end.
mega-menu — opens from product nav. #1a1a1f surface, 16px radius, 1px hairline border, 32px padding, soft shadow. Multi-column nav with mono-uppercase eyebrow titles and feature row links.
footer — #0a0a0c deep ground, 5-column link list at desktop. Eyebrow group titles in mono-uppercase, link rows in 13/400 muted, social row at the bottom.
breadcrumb — muted text #9394a1 with / separators, 13/400.
Tooltips, Toasts, Modals
tooltip — #22222a ground, 6px radius, 8×10px padding, 12/400 white text, ambient shadow.
toast — bottom-right corner. #1a1a1f ground, 12px radius, 1px hairline, 16×20px padding, 14/400 white text. Auto-dismiss 5s.
modal — centred dialog over rgba(0,0,0,0.72) scrim. #1a1a1f surface, 16px radius, 1px rgba(255,255,255,0.10) border, 32px padding, 24×48px shadow.
Code Block
code-block — #1a1a1f ground, 12px radius, 1px rgba(255,255,255,0.06) border, 20×24px padding. Söhne Mono 13/400. Violet (#6c47ff) keywords, cyan (#3acefa) strings, white default text. Optional copy button top-right.
Decorative
hero-halo — soft 320px-radius violet glow behind hero copy. Static (no breathing animation, unlike Auth0). 0 0 320px 0 rgba(108,71,255,0.32).
signin-component — the actual <SignIn /> component running on marketing pages. #22222a surface, 16px radius, 1px hairline, 32px padding. Stacks: app logo, “Sign in to [App]” title, social provider buttons (Google, GitHub, Apple), divider with “or”, email input, primary violet CTA “Continue”, “Don’t have an account?” link.
5. Layout Principles
Spacing System
- Base unit: 4px
- Scale:
4 · 8 · 12 · 16 · 20 · 24 · 32 · 40 · 48 · 64 · 80 · 96 · 128 · 160 - Hero padding (vertical): 128px at desktop
- Section padding: 96–128px between major sections
- Card internal padding: 32px for feature cards, 24px for component-demo cards
- Gutter: 24px between feature cards in 2- or 3-column layout
Grid & Container
- Max content width: 1200px centred
- Hero: full-width with violet halo extending beyond container; copy capped at 720px prose width
- Feature grid: 2-column at desktop with 24px gutter; 3-column for compact features
- Pricing: 4-column tier comparison cards; “Pro” tier is highlighted with violet border
- Component-demo grid: 2-column where the live
<SignIn />is alongside descriptive copy
Whitespace Philosophy
Clerk gives sections modern dev-tool breath: 96–128px between major bands, 32px internal card padding, 24px gutters. The hero band is 128px tall (less cinematic than Auth0’s 160px, more like a Vercel landing page). The result feels considered but not theatrical — engineering tool, not consumer marketing.
Section Cadence
The page alternates canvas (#131316) → section (#1a1a1f) → canvas → component-demo zone → canvas. The component-demo zones break the rhythm with a #22222a surface card containing the live <SignIn /> component — these are the page’s most-styled moments. There is no light-flip section; Clerk commits to dark-only on the marketing canvas.
6. Shapes & Radius Scale
| Tier | Value | Use |
|---|---|---|
| Micro | 2px | Dense table corners |
| Small | 4px | Checkboxes, radio outlines |
| Default | 6px | Buttons, inputs, dropdowns |
| Standard | 8px | Larger CTAs, small panels |
| Comfortable | 12px | Code blocks |
| Card | 16px | Feature cards, modals, component-demo |
| Pill | 9999px | Status pills, eyebrow tags |
The default radius is 6px — slightly tighter than the conventional 8px most modern dev-tools use. Cards step up to 16px (one tier above the standard 12px). There are no compound radii.
7. Depth & Elevation
| Level | Treatment | Use |
|---|---|---|
| 0 — Flat | no shadow | Body sections, navbar at top |
| 1 — Hairline | 1px rgba(255,255,255,0.10) border | Cards at rest |
| 2 — Card | rgba(0,0,0,0.32) 0 8px 24px | Hovered cards, mega-menu |
| 3 — Elevated | rgba(0,0,0,0.48) 0 16px 32px | Sticky bars, dropdown panels |
| 4 — Modal | rgba(0,0,0,0.48) 0 24px 48px | Centred dialog |
| 5 — Halo | 0 0 320px 0 rgba(108,71,255,0.32) | Hero violet halo (decorative) |
Shadow Philosophy
Clerk’s depth is two-channel: hairline borders for rest state, deep-neutral shadows for hover/elevated, violet halo for hero atmosphere. The hairline border is the dominant rest treatment — most cards have no shadow, just a 1px rgba(255,255,255,0.06) or 0.10 border. On hover, the shadow appears alongside the brightening border. The hero halo is the only decorative depth on the page.
8. Interaction & Motion
Easing
- Standard:
cubic-bezier(0.4, 0, 0.2, 1)— default for hover, focus, fade - Emphasized:
cubic-bezier(0.2, 0, 0, 1)— modal entry, mega-menu - Spring:
cubic-bezier(0.34, 1.56, 0.64, 1)— component-demo morphs (spring overshoot for personality)
Durations
| Bucket | Value | Use |
|---|---|---|
| Fast | 100ms | Hover colour swap, focus ring fade-in |
| Standard | 200ms | Card hover, mega-menu open |
| Slow | 300ms | Modal enter, drawer slide |
| Demo | 600ms | Component-demo tab morphs (spring eased) |
Per-Component Recipes
- CTA hover: violet brightens
#6c47ff→#8a6dffover 100ms. No transform. - Card hover: border opacity transitions 0.06 → 0.12 over 200ms; subtle 1px
translateY(-1)lift. - Hero halo: static — no animation. Clerk doesn’t breathe the halo (unlike Auth0).
- Component-demo morph: when user toggles between
<SignIn />,<SignUp />, and<UserButton />tabs, the embedded component morphs over 600ms with spring easing — children fade out, container resizes, new children fade in. The page’s signature emphasized motion. - Section reveal: scrolling sections fade-up from
translateY(16px)/opacity(0)over 300ms standard ease. - Mega-menu open: 200ms fade + 4px slide-down from navbar bottom.
- Modal enter: scrim fades over 200ms; dialog enters from
translateY(8px)/opacity(0)to0/1over 300ms emphasized. - Code block copy: copy button fades from “Copy” to “Copied” over 200ms with a small green check.
- Link hover: violet brightens by ~10% luminance over 100ms.
Page Transitions
Page-to-page navigation uses no transition — links fire a hard navigation. Clerk prioritises perceived speed.
Reduced Motion
Respects prefers-reduced-motion: reduce. Component-demo morphs become instant swaps (no spring). Section reveals degrade to opacity-only. Card hover loses the translateY but keeps the border opacity transition.
9. Accessibility & A11y
Contrast Pairs
| Pair | Ratio | Level |
|---|---|---|
| #ffffff white on #131316 canvas | 16.1 | AAA |
| #9394a1 muted on #131316 canvas | 6.8 | AA at body sizes |
| #ffffff on #6c47ff violet CTA | 5.6 | AA at body sizes |
| #6c47ff link on #131316 | 5.4 | AA large only at body sizes |
| #8a6dff link hover on #131316 | 7.2 | AAA |
| #36d576 success on #131316 | 8.1 | AAA |
| #ef2236 error on #131316 | 4.7 | AA large |
The violet CTA pair sits at 5.6 — AA at body sizes. Clerk renders the violet at full opacity without layered transparency to preserve the contrast ratio.
Focus Indicators
Focus ring is 2px solid #6c47ff (Clerk-violet) with 2px outline-offset. All focusable elements use this exact ring — buttons, inputs, links, tab triggers, component-demo controls. The violet ring is also the brand colour, which doubles its function: it’s both a contrast indicator and a brand affordance.
ARIA Patterns
- Top nav:
role="navigation",aria-label="Primary". Mega-menu usesrole="menu"withrole="menuitem". - Component-demo tabs:
role="tablist"withrole="tab"andaria-controlslinking to<SignIn />,<SignUp />,<UserButton />panels. - Live
<SignIn />has full ARIA —role="form",aria-label="Sign in", all inputs labelled, error states announced viaaria-live="polite". - Pricing tier cards: headlined with
<h3>. Recommended tier hasaria-current="true". - Modal:
role="dialog",aria-modal="true", focus trap, Esc closes. - Code blocks:
role="region",aria-label="Code example". Copy button announces “Copied” viaaria-live="polite".
Keyboard Navigation
- Tab: logo → product → docs → pricing → customers → sign in → primary CTA
- Component-demo tabs: arrow keys cycle, Tab moves to active panel
- Modal: focus trap, Tab cycles within
- Skip-to-main link visible on first Tab
Screen Reader Hints
- Hero halo glow has
aria-hidden="true"(decorative only) - Mono-uppercase eyebrows are announced as the section heading
- Live
<SignIn />component announces form state and validation - Code copy button announces success state via
aria-live
Reduced Motion
Component-demo morphs become instant. Section reveals degrade to opacity-only. Modal slide degrades to fade.
10. Responsive Behavior
Breakpoints
| Name | Width | Key Changes |
|---|---|---|
| Mobile | <640px | Nav collapses to logo + hamburger; hero copy 40px; feature grid stacks 1-up; halo radius reduces to 160px |
| Tablet | 640–1024px | Nav reveals product + sign-in; feature grid 2-up |
| Desktop | 1024–1280px | Full nav with mega-menu; feature grid 3-up; container caps at 1200px |
| Wide | 1280–1440px | Container stays 1200px; halo extends into negative space |
Touch Targets
- Primary CTAs: 36px height — meets AA (44px on mobile via larger hit zone)
- Nav links: 36×16px tap targets at desktop, 44×20 on mobile
- Form inputs: 40px — borderline AA; mobile increases to 44
- Component-demo controls: 32px tab buttons with 8px hit-padding
Collapsing Strategy
- Nav: product / docs / customers collapse into hamburger drawer at <1024px
- Hero: copy reflows from 80px to 56px to 40px
- Feature grid: 3-up → 2-up → 1-up; gutters compress 24 → 16 → 12px
- Pricing: 4-column → 2-column → 1-column; “Pro” tier surfaces first on mobile
- Component-demo: 2-column splits to single-column stack at <1024px; live component moves above descriptive copy
Image Behavior
Marketing illustrations use inline SVG. Brand logos use SVG. Hero halo is rendered with CSS box-shadow (no image), so it scales perfectly.
Container Queries
Used in the <SignIn /> component-demo card: when card width drops below ~360px, social-provider buttons stack instead of inline.
11. Content & Voice
Tone
Modern, technical, friendly. Clerk’s voice positions auth as a solved problem you can drop in — the copy assumes the reader is a developer who has built auth before and would rather not. Headlines lead with completion-of-task (“Auth that’s complete in minutes”, “All the user-management features you need”). The voice is explicitly non-enterprise: no “compliance”, no “trust”, no “scale” language at the top of pages — those appear deeper in the docs.
Microcopy Patterns
- Button verbs: “Get started”, “Sign up”, “Talk to sales”, “Read the docs”, “View pricing”, “Try the demo”
- Eyebrow labels: uppercase Söhne Mono 11/500, 0.10em tracking — “AUTH”, “USER MANAGEMENT”, “ORGANIZATIONS”, “AVAILABLE NOW”
- Error message recipe: short + actionable — “Email already in use. Try signing in instead.”
- Success confirmations: instant + minimal — “Welcome back, [Name]”
- Field labels: invisible / floating — Clerk leans on placeholder-as-label with floating-label animation
- Doc links: lead with the verb — “Read the SDK guide”, “View API reference”, “See changelog”
Empty States
- Empty users: “No users yet. Invite users or share a sign-up link.”
- Empty organizations: “No organizations yet. Create one to start.”
- Empty sessions: “No active sessions. Users will appear here when they sign in.”
CTA Verb Conventions
- Primary: “Sign up”, “Get started”, “Start building”
- Secondary: “Read the docs”, “View demo”, “Try free”
- Tertiary: “Learn more →”, “View pricing”, “See changelog”
- Avoided: “Click here”, “Submit”, “Buy now”
12. Dark Mode & Theming
Dark-only on the marketing site. Clerk commits to dark for the entire marketing canvas. The <SignIn /> component itself ships with both light and dark themes (developers can configure either) but the public marketing pages are dark-only.
Component Theming
The <SignIn /> component supports full theming via the appearance prop:
component-light:
bg: '#ffffff'
text: '#131316'
border: 'rgba(0,0,0,0.10)'
brand: '#6c47ff' # invariant — Clerk-violet works on both themes
input-bg: '#f7f7f8'
input-border: 'rgba(0,0,0,0.10)'
component-dark:
bg: '#22222a'
text: '#ffffff'
border: 'rgba(255,255,255,0.10)'
brand: '#6c47ff' # invariant
input-bg: '#131316'
input-border: 'rgba(255,255,255,0.10)'The brand violet (#6c47ff) is invariant across themes — it’s a brand colour, not a context colour. Clerk-violet works on both light and dark canvases because the hue is balanced for both luminance contexts.
13. Lineage & Influences
Clerk’s visual lineage is unmistakably Vercel-trained. The Geist typography, the near-black canvas, the mono-uppercase eyebrows, the 6px button radius, the backdrop-blur glassy navbar, the sub-100ms hover transitions — all of these are visual moves Vercel canonised in 2020–2022 and that became the early-2020s “modern dev-tool” template. Clerk borrowed the entire foundation.
What Clerk added was the component-as-marketing-asset move — embedding the live <SignIn /> component directly on the marketing page instead of showing screenshots. This is a Stripe-Elements move (Stripe pioneered embedding the actual <CardElement /> on the marketing site), but Clerk applied it to the entire surface area: every component the SDK ships gets a live demo on the marketing page. The result is the only auth dev-tool whose marketing IS the product.
The brand colour choice — Clerk-violet #6c47ff — is the move that distinguishes Clerk from the rest of the Vercel-trained cohort. Where Vercel commits to single-blue trust, Linear to deep-purple gravitas, and Resend to brand-cyan, Clerk planted the violet flag specifically because it was empty space in the dev-tool palette circa 2020. The hue is bright enough to read as modern (not enterprise) but subdued enough to read as professional (not toy). It’s the most-imitated dev-tool brand colour of the early 2020s.
What Clerk rejects: light canvases on marketing (dark-only commitment), photographic product screenshots (live components instead), enterprise blue trust (violet voice instead), and theatrical motion (sub-100ms hover, no breathing halos).
Influences:
- Vercel — Geist typeface, near-black canvas, glassy navbar, backdrop-blur, vercel.com
- Stripe Elements — embedded-component-as-marketing pattern, stripe.com
- Linear — sub-100ms motion discipline, linear.app
- Resend — modern dev-tool brand-cyan precedent for choosing a single bright accent, resend.com
- Klim Type Foundry — Söhne Mono typeface, klim.co.nz
14. Do’s and Don’ts
Do
- Anchor the canvas on
#131316near-black with a subtle warm-violet undertone — never pure black - Run display in Geist Sans 700 with
-2.24pxtracking at 64px — the typographic foundation - Use Söhne Mono uppercase eyebrows at 11/500 with 0.10em tracking — the typographic signature
- Plant Clerk-violet
#6c47ffon every primary CTA, focus ring, and the wordmark - Embed the live
<SignIn />component as the marketing hero — the demo IS the product - Use 6px button radius / 16px card radius — tight engineering-tool proportions
- Apply
backdrop-blur(8px)to the sticky navbar at 72% opacity — Vercel-style - Sub-100ms hover transitions — Clerk respects developer time
- Use spring easing (600ms) for component-demo morphs — the only emphasized motion
- Render the violet halo behind hero copy as static — no breathing animation
Don’t
- Don’t use pure
#000000—#131316with the violet undertone is the canvas - Don’t substitute Inter at the same weights — Inter reads as generic SaaS, not Clerk
- Don’t show product screenshots — live components are non-negotiable
- Don’t introduce a second brand colour — Clerk-violet does all the brand work
- Don’t make the halo glow breathe — Clerk’s halo is static (Auth0 breathes; Clerk doesn’t)
- Don’t use button radius greater than 8px — tight 6px is the dev-tool quality
- Don’t tighten section padding below 96px — the breath is what makes it considered
- Don’t use serif type anywhere — Geist + Söhne Mono is the entire typographic system
- Don’t use enterprise “trust” language at the top of pages — Clerk leads with dev outcomes
- Don’t over-animate — sub-100ms hover, no decorative motion
15. Agent Prompt Guide
Quick Color Reference
Canvas: #131316
Section: #1a1a1f
Surface: #22222a
Text White: #ffffff
Text Muted: #9394a1
Clerk Violet: #6c47ff
Brand Hover: #8a6dff
Brand Pressed: #5938e0
Border (Hairline):rgba(255,255,255,0.10)
Border (Soft): rgba(255,255,255,0.06)
CTA Hairline: #42434d
Halo: rgba(108,71,255,0.32)Example Component Prompts
- “Create a Clerk-style hero section: near-black canvas (
#131316), 128px vertical padding, hero copy in Geist Sans 64/700 with-2.24pxtracking, white text. Eyebrow above in Söhne Mono 11/500 uppercase with 0.10em tracking, violet#a48efctext onrgba(108,71,255,0.16)pill surface. Sub-copy in Geist Sans 18/400 muted#9394a1. Soft 320px violet halo glow (0 0 320px 0 rgba(108,71,255,0.32)) behind copy — static, no breathing. Primary CTA: violet (#6c47ff) fill, white text, 13/500, 6px radius, 8×16px padding, 36px height. Secondary glass CTA:#42434dfill, white text.” - “Build a Clerk component-demo card:
#22222asurface, 16px radius, 1pxrgba(255,255,255,0.10)border, 24px padding. Embed the live<SignIn />component — app logo at top, ‘Sign in to [App]’ title in Geist 18/600, social provider buttons (Google, GitHub, Apple) stacked, divider with ‘or’, email input with violet focus ring, primary violet ‘Continue’ CTA, ‘Don’t have an account?’ link with ‘Sign up’ violet text.” - “Design a Clerk pricing tier card:
#1a1a1fsurface, 16px radius, 32px padding. Default cards have 1pxrgba(255,255,255,0.10)border; the ‘Pro’ tier highlights with 2px#6c47ffviolet border. Stack: tier name in Söhne Mono 11/500 uppercase, price in Geist Numbers 48/700 withtnum, ‘/month’ caption in 14/400 muted, feature checklist with violet check icons, primary CTA at the bottom.” - “Create a Clerk navbar: 64px tall,
rgba(19,19,22,0.72)ground withbackdrop-blur(8px), 1pxrgba(255,255,255,0.06)bottom border. Clerk wordmark flush left in white. Nav links ‘Product’, ‘Docs’, ‘Pricing’, ‘Customers’ in Geist 13/500 white, with 24px gutters. Sign-in text link + primary violet CTA flush right.” - “Build a Clerk code block:
#1a1a1fground, 12px radius, 1pxrgba(255,255,255,0.06)border, 20×24px padding. Söhne Mono 13/400. Violet#6c47ffkeywords (import,const,return), cyan#3acefastrings, white default text. Top-right copy button — small icon-only, transparent fill, hairline border, hover brightens. On click, button text morphs to ‘Copied’ for 2s with small green check.” - “Design a Clerk feature card:
#1a1a1fsurface, 16px radius, 1pxrgba(255,255,255,0.06)border, 32px padding. Stack: optional violet icon (24×24,#6c47ffstroke), title in Geist 18/600 white with-0.2pxtracking, body description in Geist 16/400 muted#9394a1, optional ‘Read the docs →’ link in violet without underline.”
Iteration Guide
- Start with Geist 700 +
-2.24pxtracking. This is the typographic foundation. Substitute Inter 700 with-0.04emif Geist isn’t available. - Mono-uppercase eyebrows are non-negotiable. Söhne Mono / Geist Mono / JetBrains Mono at 11/500 with 0.10em tracking. Without them, the page reads as generic dev-tool.
- Embed the actual component, not a screenshot. Even a static SVG mockup of the
<SignIn />UI works in spec; on live sites, embed the real component. - Single brand colour: violet
#6c47ff. No secondary brand. Don’t introduce a “feature accent” colour. - Halo is static. Soft 320px-radius violet glow behind hero — don’t animate the breath. (That’s Auth0; Clerk is sharper.)
- 6px button radius, 16px card radius. Don’t soften the buttons to 8px — the 6px is the engineering-tool quality.
- Glassy navbar.
backdrop-blur(8px)at 72% opacity is the hallmark — without it, the page reads as static dev-doc. - Sub-100ms hover. Clerk’s discipline is to respect time. Don’t add 240ms emphasized eases on CTAs — only on component-demo morphs.
Drop clerk-com into your project, then ship the actual sections in an afternoon.
1 · install design
npx design-md add clerk-com 2 · ship landing page
npx agentkit init --design clerk-com light minimal
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