Color Contrast Checker
NEWJSON, Base64 and developer tools
Color Contrast Checker
Results
WCAG AA
WCAG AAA
Live Preview
Large Text (24px)
The quick brown fox jumps over the lazy dog.
Normal Text (16px)
The quick brown fox jumps over the lazy dog.
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About This Tool
Free color contrast checker for web accessibility. Test WCAG 2.1 compliance for text and background color combinations. Ensure your designs are accessible to all users.
How to Use
- 1Enter foreground color
- 2Enter background color
- 3View contrast ratio
- 4Check WCAG AA/AAA compliance
- 5Adjust colors to meet standards
Key Features
- WCAG 2.1 AA/AAA testing
- Real-time contrast ratio
- Color picker integration
- Text preview
- Accessibility recommendations
Tips & Best Practices
Common Use Cases
Frequently Asked Questions
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