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Contrast Checker
WCAG AA/AAA accessibility compliance
🎨 Contrast Checker
👁️ Colors
Sample Text
This is regular text on this background. Lorem ipsum dolor sit amet.
Large/Bold Text
📊 WCAG Compliance
Contrast Ratio
13.35:1
AA Normal Text (4.5:1)✅ Pass
AAA Normal Text (7:1)✅ Pass
AA Large Text (3:1)✅ Pass
AAA Large Text (4.5:1)✅ Pass
❓ Frequently Asked Questions
Common questions about Contrast Checker
What is contrast ratio?▼
Difference between text and background brightness. WCAG ratios: 4.5:1 (AA normal), 7:1 (AAA), 3:1 (AA large text).
Free contrast tool?▼
Yes, 100% free. Enter foreground + background. Get WCAG ratio + AA/AAA pass/fail badges.
WCAG levels?▼
AA: minimum legal compliance. AAA: enhanced accessibility. AA: 4.5:1 text, 3:1 large text. AAA: 7:1, 4.5:1.
Why important?▼
15% population has visual impairments. Low contrast = unreadable. Legal requirement (ADA, India RPwD Act).
Pass AA but not AAA?▼
Common. AAA strict. AA acceptable for most websites. Government, healthcare often need AAA.
Large text?▼
18pt+ regular OR 14pt+ bold = "large text". Lower contrast acceptable (3:1 AA, 4.5:1 AAA).
White on color?▼
Light backgrounds: dark text. Dark backgrounds: light text. Ensure 4.5:1 minimum contrast.
Brand color text?▼
Brand colors often fail contrast. Use darker shade on light background. Pure colors hard to read.
Tools alternatives?▼
WebAIM, Contrast Ratio, axe. Toolzfy: free, instant, integrated with palette tools.
Mobile screens?▼
Smaller fonts need higher contrast. Daylight visibility important. Test on actual devices.