Frontend & Design

Radix UI Primitives

Build accessible, unstyled UI components with Radix UI primitives that handle complex interactions and WAI-ARIA patterns.

Claude Code Cursor Copilot Windsurf

Overview

Radix UI provides unstyled, accessible UI primitives for React that handle complex interaction patterns like modals, dropdowns, tooltips, and tabs. AI agents can compose Radix primitives with your own styles to build fully custom, accessible component libraries without reinventing focus management and keyboard navigation.

Each Radix primitive handles the hard parts of UI development: focus trapping in dialogs, typeahead in select menus, proper ARIA attributes, keyboard navigation, screen reader announcements, and portal rendering. Your AI agent can implement these components with complete confidence that accessibility is handled correctly.

Radix is the foundation used by shadcn/ui, and understanding the primitives directly gives you more flexibility. AI agents can help you compose primitives into complex UI patterns like command palettes, multi-select comboboxes, context menus, and nested navigation menus with proper accessibility.

Who Is This For?

Developers building custom design systems that must be fully accessible
Teams implementing complex interactive patterns like comboboxes and menus
Engineers who need unstyled primitives to match existing design languages
Developers building component libraries for organization-wide use

Installation

Setup for Claude Code

npm install @radix-ui/react-dialog @radix-ui/react-dropdown-menu @radix-ui/react-tooltip

Configuration

// Dialog example
import * as Dialog from "@radix-ui/react-dialog";

<Dialog.Root>
  <Dialog.Trigger>Open</Dialog.Trigger>
  <Dialog.Portal>
    <Dialog.Overlay className="fixed inset-0 bg-black/50" />
    <Dialog.Content className="fixed top-1/2 left-1/2 ...">
      <Dialog.Title>Edit Profile</Dialog.Title>
      <Dialog.Description>Make changes here.</Dialog.Description>
      <Dialog.Close>Close</Dialog.Close>
    </Dialog.Content>
  </Dialog.Portal>
</Dialog.Root>

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