Color Contrast Checker
Test color contrast between foreground and background colors to ensure WCAG accessibility compliance. Shows contrast ratio and whether your colors pass WCAG 2.1 Level AA (4.5:1 for normal text), AA Large (3:1 for large text), and AAA (7:1) standards. Essential for accessible web design.
Aa Sample Text
The quick brown fox jumps over the lazy dog
Small body text example at 14px
How to Use Color Contrast Checker
- 1Enter foreground and background colors
- 2View the live text preview
- 3Check WCAG AA and AAA pass/fail badges
- 4Adjust colors until they pass
Your Privacy is Protected
Color Contrast Checker runs entirely in your browser. Your files and data are never uploaded to any server, never stored, and never shared. Everything happens locally on your device using secure browser APIs.
Frequently Asked Questions
What contrast ratio is needed for WCAG AA?
Normal text needs 4.5:1 contrast ratio. Large text (18pt+ or 14pt bold) needs 3:1. For AAA compliance, normal text requires 7:1.
Why Use This Tool?
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