Make sure your color combinations are accessible and compliant with WCAG 2.1 standards using this color contrast checker. It calculates the contrast ratio between any two colors - foreground and background - based on their relative luminance, helping you meet accessibility guidelines with confidence.

This tool is perfect for designers, developers, and content creators who want to ensure their websites, presentations, or brand assets are readable for all users, including those with visual impairments. Whether you're working on buttons, text blocks, or full UI designs, you'll instantly see whether your colors pass AA or AAA accessibility levels.

Just input two colors - using HEX codes, RGB, or color pickers - and get real-time feedback on contrast ratios and pass/fail results. The tool uses the official WCAG 2.1 formula to deliver accurate contrast scores that reflect how colors are perceived by the human eye.

All calculations happen entirely in your browser. No color data is ever uploaded or stored externally, keeping your brand designs private and secure.

Accessibility isn't optional - it's essential. Use this tool to quickly validate your color choices and create more inclusive digital experiences.