Color Contrast Checker
Check accessibility compliance for text colors against background colors using WCAG guidelines
DesignFree • No Signup
Normal Text (14px)
Sample Text
Large Text (18px)
Sample Text
Contrast Ratio:
21:1
WCAG AA (Normal Text)
WCAG AAA (Normal Text)
WCAG AA (Large Text)
WCAG AAA (Large Text)
WCAG Contrast Requirements
Level AA: Requires a contrast ratio of at least 4.5:1 for normal text and 3:1 for large text.
Level AAA: Requires a contrast ratio of at least 7:1 for normal text and 4.5:1 for large text.
Large Text: Defined as text that is at least 18pt (24px) or 14pt (18.5px) bold.
Key Features
- Free to use
- No registration required
- Works offline
- Privacy-focused
- Fast processing
Use Cases
Development workflow
Quick data processing
Learning and experimentation
The Color Contrast Checker is designed for developers, engineers, and technical professionals who need a fast, reliable, and privacy-focused solution. All processing happens locally in your browser—your data never leaves your device.
Frequently Asked Questions
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