Tool Xeno

Professional Contrast Checker

Validate color combinations against WCAG accessibility standards with real-time analysis, compliance indicators, and professional improvement suggestions for optimal accessibility.

Color Selection

HEX: #000000
RGB: 0, 0, 0
HSL: 0°, 0%, 0%
HEX: #ffffff
RGB: 255, 255, 255
HSL: 0°, 0%, 100%

Contrast Analysis

21:1

Contrast Ratio

Sample Text Preview
Normal Text • Large Text

WCAG Compliance

AA Normal
AA Large
AAA Enhanced
Perfect

Accessibility Rating

Improvement Suggestions

Perfect Contrast Ratio
Your current color combination meets all WCAG standards excellently.

Suggested Improvements

Understanding WCAG Standards

4.5:1
WCAG AA Normal
Minimum contrast for normal text (under 18pt or 14pt bold)
3:1
WCAG AA Large
Minimum contrast for large text (18pt+ or 14pt+ bold)
7:1
WCAG AAA Enhanced
Enhanced contrast for maximum accessibility