MozaikaDesign system

Svix — Design System

light · professional · medium · tailwind · confidence 92% · deep decode

Svix pitches webhooks-as-a-service in a single open-source voice: Overused Grotesk does every job on the page, 64px/500 in the deep-indigo hero and 16px in the working text, with section headings deliberately understated at 18px. Code snippets and dashboard frames carry the proof while 6px-radius buttons keep the chrome quiet — infrastructure branding that trusts one grotesque to do it all.

Open in Mozaika →

This is a static, crawlable rendering for search & AI engines. The interactive version — filters, live decode console, copy & export — is at https://mozaika.design/ds/svix.

Tokens

Svix's decoded design system: background #FFFFFF, text #0A0A0B, accent #2C70FF, link #1C1C46, primary #2C70FF; type scale h1 64px / h2 18px / body 14.4px; 8px spacing base; 5px base radius. The single interactive/action color is #2C70FF — used only on interactive or must-notice elements (buttons, links, key highlights), never on large fills.

Color roles

RoleValue
bg#FFFFFF
surface#F0F0F0
border#DADADA
text#0A0A0B
text_muted#676767
primary#2C70FF
accent#2C70FF
link#1C1C46
secondary#A9B7C6
button_bg#2C70FF
button_text#FFFFFF

Using these colors

Typography

Spacing

Radii

Shadows (elevation)

Motion

Micro-interactions run at 150ms (dominant) with cubic-bezier(0.4, 0, 0.2, 1).

Button states (measured)

Layout (measured)

Overlay recipe (measured)

dropdown panel: #FFFFFF · radius 6px

Responsive (measured)

Per-section tokens (14)

Export: DESIGN.md

# Svix — Design System

> light, professional, medium, tailwind — deep decode (measured live)

Svix pitches webhooks-as-a-service in a single open-source voice: Overused Grotesk does every job on the page, 64px/500 in the deep-indigo hero and 16px in the working text, with section headings deliberately understated at 18px. Code snippets and dashboard frames carry the proof while 6px-radius buttons keep the chrome quiet — infrastructure branding that trusts one grotesque to do it all.

## Colors

| Role | Value |
|------|-------|
| bg | `#FFFFFF` |
| surface | `#F0F0F0` |
| border | `#DADADA` |
| text | `#0A0A0B` |
| text_muted | `#676767` |
| primary | `#2C70FF` |
| accent | `#2C70FF` |
| link | `#1C1C46` |
| secondary | `#A9B7C6` |
| button_bg | `#2C70FF` |
| button_text | `#FFFFFF` |

**Using these colors**

- **Action color** `#2C70FF` — the single interactive color; it appears only on things you click or must notice (buttons, key highlights), never on large fills or backgrounds.
- `primary`, `accent`, `button_bg` are all `#2C70FF` — one role, not several (your action color).
- **accent** `#2C70FF` — THE accent / action color — interactive & must-notice only (buttons, links, focus, one key highlight); never large fills or backgrounds. Scarcity is what makes it read as designed.
- **link** `#1C1C46` — inline text links and link-styled controls.
- **secondary** `#A9B7C6` — optional secondary accent — LOW decode confidence; use rarely (a status color or a single decorative moment) or omit it entirely. Prefer one accent unless the reference clearly shows two.
- **Page coverage** (full-page screenshot pixels): `#1C1C46` 59.2% · `#FFFFFF` 19.2% · `#283258` 16.1% · `#B8C4DE` 5.5%

## Typography

- Heading: **Roboto**
- Body: **Roboto**
- Mono: **ui-monospace** _(measured)_

| Role | Size / weight · line-height · tracking |
|------|------------------------------------------|
| hero | 64px / 500 · lh 70px · tracking -0.48px |
| h2 | 48px / 500 · lh 58px · tracking -0.48px |
| h3 | 40px / 500 · lh 52px · tracking -0.48px |
| body | 16px / 400 · lh 24px |
| small | 14px / 500 · lh 22px |
| eyebrow | 12px / 400 · tracking 0.6px |

- Weight ladder: 400 · 500 · 700 — use these exact measured weights, not the 400/600 defaults.

> **Fonts —** Roboto — free, on Google.

## Spacing
- base unit: 8px (inferred from the measured scale)
- measured scale: 4px, 8px, 12px, 13px, 16px, 20px, 24px, 28px, 32px, 48px — snap all gaps/padding to these

## Radius
- base: 5px
- button: 6px
- card: 8px
- pill: 9999px

## Buttons

| Button | Fill / text | Border | Radius | Padding | Font | Shadow |
|--------|-------------|--------|--------|---------|------|--------|
| primary | `#2C70FF` / `#FFFFFF` | 1px solid rgba(0, 0, 0, 0) | 6px | 8px 16px 8px 16px | 500 16px | none |
| secondary | `rgba(0, 0, 0, 0)` / `#FFFFFF` | 1px solid rgb(255, 255, 255) | 6px | 8px 16px 8px 16px | 500 16px | none |

**States (measured, not guessed)**

- primary hover: background `#0182E3`
- primary focus: outline `1px auto rgb(16, 16, 16)`
- secondary hover: background `rgba(255, 255, 255, 0.3)`
- transition: `color 0.15s cubic-bezier(0.4, 0, 0.2, 1)`

## Shadows (elevation)
- subtle: `rgba(0, 0, 0, 0) 0px 0px 0px 0px, rgba(0, 0, 0, 0) 0px 0px 0px 0px, rgba(0, 0, 0, 0.1) 0px 4px 6px -1px, rgba(0, 0, 0, 0.1) 0px 2px 4px -2px`
- card: `rgba(0, 0, 0, 0.12) 0px 0px 10px 0px`
- overlay: `rgba(0, 0, 0, 0.1) 0px 10px 40px 0px`

## Motion
- durations: 150ms (dominant) · 300ms · 400ms
- easings: `cubic-bezier(0.4, 0, 0.2, 1)` (dominant) · `ease`
- animated properties: color, background-color, border-color, text-decoration-color

Micro-interactions use the dominant duration + easing; nothing on the page animates slower than the longest duration above — don't invent springier motion.

## Layout (measured)
- nav: 114px

## Motion choreography (measured)
- overlay dropdown (auto-opened): panel #FFFFFF · r 6px · shadow rgba(0, 0, 0, 0) 0px 0px 0px 0px, rgba(0, 0, 0, 0) 0px 0px 0px 0px, rgba(0, 0, 0, 0.1) 0px 10px 15px -3px, rgba(0, 0, 0, 0.1) 0px 4px 6px -4px

Rebuild the timeline, not just the durations — order, delays and staggers above are the choreography.

## Components (measured)
- link: #1C1C46 · underline

## Responsive (measured)
- breakpoints: 450px · 600px · 800px · 1024px · 1200px
- mobile (390px): hero 40px · body 16px · nav: hamburger

## How to apply
Paste the Tailwind `@theme` (or CSS variables) as your base, then build each
section to its spec — verify every color, radius, and font against these tokens.
Hover/focus states, shadows and motion timings above are measured from the live page — match them exactly, don't re-guess them.

---

> **Decoded with Mozaika** — measured live, not guessed. Full decoded design system + one-command install: mozaika.design/ds/svix

Export: Tailwind v4 (@theme)

@theme {
  /* action color #2C70FF — the one interactive color; buttons/links/emphasis only, never large fills. */
  --color-bg: #FFFFFF;
  --color-surface: #F0F0F0;
  --color-border: #DADADA;
  --color-text: #0A0A0B;
  --color-text-muted: #676767;
  --color-primary: #2C70FF;  /* primary brand / action color. */
  --color-accent: #2C70FF;  /* THE accent / action color — interactive & must-notice only (buttons, links, focus, one key highlight); never large fills or backgrounds. Scarcity is what makes it read as designed. */
  --color-link: #1C1C46;  /* inline text links and link-styled controls. */
  --color-secondary: #A9B7C6;  /* optional secondary accent — LOW decode confidence; use rarely (a status color or a single decorative moment) or omit it entirely. Prefer one accent unless the reference clearly shows two. */
  --color-button-bg: #2C70FF;  /* primary-button fill — the main call-to-action color. */
  --color-button-text: #FFFFFF;
  /* fonts: Roboto — free, on Google. */
  --font-heading: "Roboto", system-ui, -apple-system, 'Segoe UI', sans-serif;
  --font-body: "Roboto", system-ui, -apple-system, 'Segoe UI', sans-serif;
  --font-mono: "ui-monospace", ui-monospace, monospace;
  /* measured weights: 400, 500, 700 — use these, not 400/600 */
  --text-hero: 64px; --font-weight-hero: 500; --leading-hero: 70px; --tracking-hero: -0.48px;
  --text-h2: 48px; --font-weight-h2: 500; --leading-h2: 58px; --tracking-h2: -0.48px;
  --text-h3: 40px; --font-weight-h3: 500; --leading-h3: 52px; --tracking-h3: -0.48px;
  --text-body: 16px; --font-weight-body: 400; --leading-body: 24px;
  --text-small: 14px; --font-weight-small: 500; --leading-small: 22px;
  --text-eyebrow: 12px; --font-weight-eyebrow: 400; --tracking-eyebrow: 0.6px;
  --radius-base: 5px;
  --radius-button: 6px;
  --radius-card: 8px;
  --radius-pill: 9999px;
  --shadow-card: rgba(0, 0, 0, 0.12) 0px 0px 10px 0px;
  --shadow-overlay: rgba(0, 0, 0, 0.1) 0px 10px 40px 0px;
  --shadow-subtle: rgba(0, 0, 0, 0) 0px 0px 0px 0px, rgba(0, 0, 0, 0) 0px 0px 0px 0px, rgba(0, 0, 0, 0.1) 0px 4px 6px -1px, rgba(0, 0, 0, 0.1) 0px 2px 4px -2px;
  --color-btn-hover: #0182E3;  /* measured primary hover fill */
  --outline-focus: 1px auto rgb(16, 16, 16);  /* measured focus ring */
  --ease-brand: cubic-bezier(0.4, 0, 0.2, 1);
  --duration-fast: 150ms;  /* use: duration-[var(--duration-fast)] */
  --duration-base: 300ms;
  --duration-slow: 400ms;
  --spacing: 8px;  /* measured base — drives the p-*/gap-* scale. steps seen on the page: 4, 8, 12, 13, 16, 20, 24, 28, 32, 48px */
}

Export: CSS variables

:root {
  /* action color #2C70FF — the one interactive color; buttons/links/emphasis only, never large fills. */
  --bg: #FFFFFF;
  --surface: #F0F0F0;
  --border: #DADADA;
  --text: #0A0A0B;
  --text-muted: #676767;
  --primary: #2C70FF;  /* primary brand / action color. */
  --accent: #2C70FF;  /* THE accent / action color — interactive & must-notice only (buttons, links, focus, one key highlight); never large fills or backgrounds. Scarcity is what makes it read as designed. */
  --link: #1C1C46;  /* inline text links and link-styled controls. */
  --secondary: #A9B7C6;  /* optional secondary accent — LOW decode confidence; use rarely (a status color or a single decorative moment) or omit it entirely. Prefer one accent unless the reference clearly shows two. */
  --button-bg: #2C70FF;  /* primary-button fill — the main call-to-action color. */
  --button-text: #FFFFFF;
  --font-heading: "Roboto", system-ui, -apple-system, 'Segoe UI', sans-serif;
  --font-body: "Roboto", system-ui, -apple-system, 'Segoe UI', sans-serif;
  --font-mono: "ui-monospace", ui-monospace, monospace;
  --text-hero: 64px; --weight-hero: 500; --leading-hero: 70px; --tracking-hero: -0.48px;
  --text-h2: 48px; --weight-h2: 500; --leading-h2: 58px; --tracking-h2: -0.48px;
  --text-h3: 40px; --weight-h3: 500; --leading-h3: 52px; --tracking-h3: -0.48px;
  --text-body: 16px; --weight-body: 400; --leading-body: 24px;
  --text-small: 14px; --weight-small: 500; --leading-small: 22px;
  --text-eyebrow: 12px; --weight-eyebrow: 400; --tracking-eyebrow: 0.6px;
  --radius: 5px;
  --radius-button: 6px;
  --radius-card: 8px;
  --radius-pill: 9999px;
  --shadow-card: rgba(0, 0, 0, 0.12) 0px 0px 10px 0px;
  --shadow-overlay: rgba(0, 0, 0, 0.1) 0px 10px 40px 0px;
  --shadow-subtle: rgba(0, 0, 0, 0) 0px 0px 0px 0px, rgba(0, 0, 0, 0) 0px 0px 0px 0px, rgba(0, 0, 0, 0.1) 0px 4px 6px -1px, rgba(0, 0, 0, 0.1) 0px 2px 4px -2px;
  --btn-bg-hover: #0182E3;
  --focus-ring: 1px auto rgb(16, 16, 16);
  --ease: cubic-bezier(0.4, 0, 0.2, 1);
  --duration-fast: 150ms;
  --duration-base: 300ms;
  --duration-slow: 400ms;
}
/* fonts: Roboto — free, on Google. */