Insights

UI Design Systems at Scale

Build resilient design systems by treating them as a product, not a static component catalog.

Category: UI Published: 2026-02-17 Author: Prashant Sinha

Start with stable token architecture

Design systems become fragile when teams rely on raw color codes and ad hoc spacing rules. Tokenized architecture creates a predictable system where design intent and engineering implementation stay aligned.

  • Primitive tokens: color scales, spacing, radius, typography.
  • Semantic tokens: text-primary, surface-muted, border-strong.
  • Component tokens: button-bg-hover, card-shadow-focus.

Define component contracts, not just visuals

A reusable component should define behavior, accessibility, and composition boundaries. This prevents teams from drifting into visual clones that break consistency and quality.

  • State model: default, hover, focus, loading, disabled, error.
  • Accessibility model: keyboard flow, labels, ARIA semantics.
  • Composition model: supported slots, props, and constraints.

Operate the design system as a product

System adoption improves when teams have contribution pathways, release notes, and migration guides. Treat system changes like API evolution with clear ownership and measured outcomes.

  • Track duplicate component rate across products.
  • Measure token adoption in core user journeys.
  • Publish monthly release notes and migration advisories.