株式会社オブライト
Web Frontend2026-05-17

Radix UI

Also known as: Radix / Radix Primitives

An accessibility-first React primitive library. Components like Dialog, Dropdown, and Tabs are fully WAI-ARIA compliant and serve as the foundation of shadcn/ui.


Overview

Radix UI provides unstyled UI primitives with built-in keyboard navigation, screen reader support, and focus management, so developers can focus entirely on styling. shadcn/ui wraps these primitives with Tailwind CSS.

Adoption Benefits

Correct WCAG compliance and ARIA pattern implementation are difficult to build from scratch. Radix UI abstracts that complexity — especially valuable for enterprise sites and SaaS dashboards.

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