Contrast Checker
Check WCAG contrast ratios for accessibility compliance (AA & AAA standards)
Background Color
Foreground (Text) Color
Text Size & Weight
This is considered normal text
Actions
Preview
The quick brown fox jumps over the lazy dog
Lorem ipsum dolor sit amet, consectetur adipiscing elit. Sed do eiusmod tempor incididunt ut labore et dolore magna aliqua.
Contrast Ratio
21.00:1
Excellent
Accessibility Score
100/100
WCAG Compliance
WCAG AA (Normal Text)
Minimum 4.5:1
✓
WCAG AA (Large Text)
Minimum 3:1
✓
WCAG AAA (Normal Text)
Minimum 7:1
✓
WCAG AAA (Large Text)
Minimum 4.5:1
✓
About WCAG Standards
WCAG (Web Content Accessibility Guidelines) defines contrast ratios to ensure text is readable for people with visual impairments.
- AA: Minimum level for most websites
- AAA: Enhanced level for better accessibility
- Large text: 18pt+ regular or 14pt+ bold (24px+/18.5px+)
- Normal text: Below large text thresholds