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Design Systems at Scale: How We Built Our Component Library

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Winnoventures Design TeamApril 8, 20259 min read

Why a Design System?

After building 20+ products, we found ourselves recreating the same Button, Modal, and Input components repeatedly. A design system solved this — and more.

Our Stack

  • Figma for design tokens and component specs
  • Storybook for component development and documentation
  • Radix UI for accessible primitives
  • Tailwind CSS for styling
  • Changesets for versioning

    • Token Architecture

    Design tokens are the foundation:

    {
  "color": {
    "brand": { "primary": "#1a6ef5", "secondary": "#06b6d4" },
    "semantic": { "error": "#ef4444", "success": "#22c55e" }
  },
  "spacing": { "xs": "4px", "sm": "8px", "md": "16px" }
}

    Tokens live in Figma and sync to code via Style Dictionary.

    Governance Model

    Without governance, a design system dies. Our model:

  • One designated "system owner" per quarter
  • All new components require a Figma spec + Storybook story + accessibility audit
  • Breaking changes require a 2-sprint deprecation notice

    • Impact

    After 12 months:

  • 60% reduction in UI development time
  • 90% design-to-code consistency (up from ~40%)
  • Zero accessibility regressions since adopting Radix primitives

    • Conclusion

    A design system is a product. Treat it like one — with an owner, roadmap, and SLA.

    Design SystemsUI/UXFigmaStorybook
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    Winnoventures Design Team

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