diff --git a/packages/ui/src/stories/design_system.mdx b/packages/ui/src/stories/design_system.mdx
index 37283a7..164c1c2 100644
--- a/packages/ui/src/stories/design_system.mdx
+++ b/packages/ui/src/stories/design_system.mdx
@@ -16,7 +16,7 @@ import { Button } from '../components/Button/button.tsx';
     title="color_tokens"
     subtitle="디자인 토큰"
     colors={{
-      brand300: 'hsl(var(--brand-300))',
+      brand300: 'hsl(var(--brand-400))',
       brand400: 'hsl(var(--brand-400))',
       brand500: 'hsl(var(--brand-500))',
       brand600: 'hsl(var(--brand-600))',