Design & UI Guide
How to Test Color Contrast for WCAG 2.1 AAA Accessibility
Audit foreground and background color combinations to ensure accessible text readability for all users.
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Step-by-Step Instructions:
1
Open Color Matrix Studio
Navigate to Color Palette & WCAG Matrix.
2
Input Color Values
Enter your brand's primary text and background HEX or RGB codes.
3
Review Compliance Score
Check whether the combination meets AA (4.5:1 for body text) or AAA (7:1 for enhanced accessibility).
4
Export Tokens
Copy compliant CSS custom properties or design system variables.
Frequently Asked Questions:
? What is the minimum WCAG contrast ratio for normal text?
WCAG 2.1 Level AA requires at least 4.5:1 for body copy and 3.0:1 for large headlines (18pt+).
? Can I test color blindness visibility?
Yes, ColorMatrix includes simulations for red-green, blue-yellow, and total color blindness.