# Introduction **Category**: react **URL**: https://www.blakeui.com/en/docs/react/getting-started **Source**: https://raw.githubusercontent.com/myblakebox/BlakeUI/refs/heads/main/apps/docs/content/docs/en/react/getting-started/index.mdx > An open-source UI component library for building beautiful and accessible user interfaces. *** blakeUI is a React component library built on [Tailwind CSS v4](https://tailwindcss.com/) and [React Aria Components](https://react-spectrum.adobe.com/react-aria/index.html). Every component comes with smooth animations, polished details, and built-in accessibility—ready to use, fully customizable. ## Why blakeUI? **Beautiful by default** — Professional look out of the box, no extra styling needed. **Accessible** — Built on [React Aria Components](https://react-spectrum.adobe.com/react-aria/components.html) with focus management, keyboard navigation, and screen reader support. **Flexible** — Each component is made of customizable parts. Change what you need, leave the rest. **Developer-friendly** — Fully typed APIs, predictable patterns, and excellent autocompletion. **Maintained** — We handle updates, bug fixes, and new features. Just update the package. **Lightweight** — Tree-shaken. Only what you use goes into your app. **Future-proof** — Built for [React 19](https://react.dev/blog/2024/12/05/react-19) and [Tailwind v4](https://tailwindcss.com/blog/tailwindcss-v4), designed for AI-assisted development. ## A Living Library, Not Copy-Paste Copy-paste code works until it breaks. You're left maintaining outdated dependencies that stop evolving. blakeUI is different. It's a living library that grows with you: - Automatic updates and fixes - New features without extra work - Components stay current with React, Tailwind, and browsers - Deep customization, not shallow theme tweaks - AI-friendly APIs for code generation blakeUI is not a snapshot—it's a garden that keeps growing. 🌱 **Why React Aria?** We chose React Aria for accessibility at scale. blakeUI keeps familiar API conventions like `isDisabled` and `onPress`. Thanks to [Devon Govett](https://x.com/devongovett) and the Adobe team. ## FAQ **Is blakeUI free?** Yes, completely free and open source under the . **Is it production-ready?** Yes. blakeUI is stable and ready for production use. **Can I customize the components?** Yes! Use Tailwind utilities, CSS variables, [BEM](https://getbem.com/) modifiers, or compose component parts differently. Every slot is customizable. **Does it work with TypeScript?** Fully typed with excellent IDE support and autocompletion. **What about accessibility?** Built on React Aria Components for WCAG compliance. Keyboard navigation, focus management, and screen reader support included. **Can I use the styles without React?** Yes, the CSS can be applied to plain HTML. See our [Tailwind Play example](https://play.tailwindcss.com/vMYXzKPyUx). blakeUI is released under the .