Color Contrast Checker (WCAG)
Check color contrast ratio for WCAG AA and AAA accessibility compliance.
How It Works
Formula
Contrast Ratio = (L1 + 0.05) / (L2 + 0.05), where L is relative luminance
Frequently Asked Questions
How does the color contrast checker (wcag) work?
Enter your values and click Convert. The tool instantly calculates the results using standard color formulas.
Is this color contrast checker (wcag) free?
Yes, this tool is completely free with no registration required.