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Color Contrast Checker
Check WCAG color contrast compliance
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Full guide
How to Check Color Contrast for Accessibility
Learn WCAG color contrast: AA and AAA ratios (4.5:1 and 7:1), large text rules, live previews, and how to fix failing color pairs.
About Color Contrast Checker
A WCAG color contrast checker that calculates the contrast ratio between foreground and background colors. Tests compliance with WCAG 2.1 Level AA (4.5:1 for normal text, 3:1 for large text) and Level AAA (7:1 and 4.5:1). Provides a live text preview, supports hex and RGB input, and suggests accessible color alternatives when the ratio is insufficient. Essential for web designers, developers, and accessibility professionals ensuring inclusive design.
Color Contrast Checker Features
- WCAG AA/AAA
- Live preview
- Contrast ratio
- Color suggestions
- Hex & RGB input
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