WCAG Color Contrast Checker
Ensure your color combinations meet accessibility standards with our advanced contrast analyzer
Color Selection
Text Preview
Sample Text for Preview
Contrast Results
Contrast Ratio
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WCAG Level AA
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WCAG Level AAA
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Enter colors to check their contrast ratio and accessibility compliance.
WCAG Compliance Details
Detailed contrast analysis will appear here.
📋 WCAG Contrast Guidelines
| Text Type | Level AA | Level AAA | Font Size |
|---|---|---|---|
| Normal Text | 4.5:1 | 7:1 | < 18px |
| Large Text | 3:1 | 4.5:1 | ≥ 18px or bold ≥14px |
| UI Components | 3:1 | - | Graphical objects |
| Logos | No minimum | - | Brand elements |
Note: These are the minimum contrast ratios required by Web Content Accessibility Guidelines (WCAG) 2.1.
👁️ Color Blindness Simulation
Normal Vision
Normal Vision
Protanopia
Protanopia (Red-Blind)
Deuteranopia
Deuteranopia (Green-Blind)
Tritanopia
Tritanopia (Blue-Blind)
Achromatopsia
Achromatopsia (Total Color Blindness)
🎨 Accessible Color Suggestions
Dark Mode
Note: This tool provides contrast ratio calculations based on WCAG 2.1 guidelines. For complete accessibility compliance, please conduct additional testing with real users and assistive technologies.