Color Contrast Checker
Test your color combinations for WCAG 2.1 AA and AAA accessibility compliance
Color Contrast Checker
Ensure your designs meet WCAG accessibility standards with our comprehensive color contrast testing suite
Comprehensive Accessibility Testing
Everything you need to ensure your designs are accessible to everyone
WCAG 2.1 Compliance Testing
Ensure your designs meet AA and AAA accessibility standards with precise contrast ratio calculations.
Color Blindness Simulation
Test how your colors appear to users with different types of color vision deficiencies.
Real-time Analysis
Get instant feedback as you adjust colors with live contrast ratio updates.
Professional Reports
Generate comprehensive PDF accessibility reports for clients and compliance documentation.
Export Ready Code
Export CSS variables, Tailwind configs, and design tokens ready for development.
Works Offline
All calculations run locally in your browser - no internet required after loading.
How It Works
Get started with accessibility testing in four simple steps
Choose Your Colors
Enter your text and background colors using the color picker or hex codes.
Get Instant Results
See your contrast ratio and WCAG compliance status in real-time.
Test Accessibility
Use color blindness simulation and other tools to ensure universal access.
Export & Implement
Generate reports, export CSS code, and integrate with your design system.
Why Accessibility Matters
1+ Billion People
Have some form of disability. Accessible design ensures your content reaches everyone.
Legal Compliance
Many countries require WCAG compliance. Avoid lawsuits and ensure compliance.
Better UX
Good contrast improves readability for everyone, especially in bright environments.
Frequently Asked Questions
Everything you need to know about color contrast and accessibility testing
Ready to Make Your Designs Accessible?
Start testing your color combinations now - no signup required!