How do design systems help maintain brand consistency?

Design systems maintain brand consistency by establishing a single source of truth for every visual and interactive element used across a website. Rather than each designer or developer making independent decisions about button styles, heading sizes, or card layouts, the design system defines these once and enforces them everywhere through shared Figma libraries and coded component systems in tools like Storybook.

A well-maintained design system reduces the time required to design and build new pages, because components are already designed, tested, and accessible. It also makes brand updates efficient: changing a primary color token in the design system propagates across every component simultaneously, rather than requiring a page-by-page visual audit. For growing businesses adding content regularly, a design system is infrastructure, not overhead.