About Color Contrast Checker WCAG — AA/AAA Accessibility Compliance Tool
WCAG (Web Content Accessibility Guidelines) require sufficient color contrast between text and background for readability. This Color Contrast Checker calculates the exact contrast ratio between any two colors and checks compliance with WCAG 2.1 Level AA (4.5:1 for normal text, 3:1 for large text) and Level AAA (7:1 normal, 4.5:1 large). Features include: live text preview at multiple sizes, color blindness simulation for Protanopia, Deuteranopia, Tritanopia, and Achromatopsia, and automatic suggestions for accessible color combinations when your current pair fails. Essential for UI/UX designers, front-end developers, and accessibility auditors.
✨ Key Features of Our Color Contrast Checker WCAG — AA/AAA Accessibility Compliance Tool
- ✓WCAG 2.1 AA & AAA compliance check
- ✓Contrast ratio calculation
- ✓5 WCAG criteria badges
- ✓Live text preview (normal/large/small)
- ✓Color blindness simulation (4 types)
- ✓Auto accessible color suggestions
- ✓Relative luminance display
- ✓Swap colors button
📖 How to Use Color Contrast Checker WCAG — AA/AAA Accessibility Compliance Tool
Pick Colors
Select your text (foreground) and background colors using the color pickers or type hex values.
Check Ratio
See the contrast ratio and WCAG AA/AAA pass/fail badges instantly.
Preview Text
See your colors applied to normal, large, and small text in real time.
Simulate Color Blindness
Click a color blindness type to see how your palette looks under different visual conditions.
❓ Frequently Asked Questions
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