Design Tools
Color Contrast Checker
Check color contrast ratio for WCAG accessibility compliance
Foreground Color
Background Color
Preview Title
This is sample body text to check readability with the selected color combination.
16px
Large text (≥18px or ≥14px bold) requires lower contrast.
Contrast Ratio
14.18:1
Normal Text (<18px)
AA (4.5:1)AAA (7:1)
Large Text (≥18px / ≥14px bold)
AA (3:1)AAA (4.5:1)
UI Components
AA (3:1)
About WCAG
WCAG 2.1 Level AA: Minimum 4.5:1 for normal text, 3:1 for large text.
WCAG 2.1 Level AAA: Enhanced 7:1 for normal text, 4.5:1 for large text.
Why Use Color Contrast Checker?
- ✓100% Free - No hidden costs or premium features
- ✓No Signup Required - Start using instantly without creating an account
- ✓Privacy First - All processing happens in your browser. Your data never leaves your device
- ✓Lightning Fast - Instant results with no server delays
How to Use
- Enter or paste your text in the input area above
- The tool will automatically process your input
- Copy the result or download it as a file
Features
- ✓WCAG 2.1 AA and AAA level checks
- ✓Real-time contrast ratio calculation
- ✓Text preview on background
- ✓Suggested color adjustments
- ✓Large text vs normal text standards
- ✓Color picker integration
Frequently Asked Questions
What is a good contrast ratio?
WCAG AA requires 4.5:1 for normal text and 3:1 for large text. AAA requires 7:1 for normal text.