Color Contrast Checker
AI PoweredVerify WCAG AA and AAA accessibility compliance instantly
Check color contrast ratios to ensure your website meets WCAG accessibility standards for inclusive design.
Color Contrast Checker
Check WCAG color contrast accessibility compliance instantly.
Preview Text
How your colors look together
Contrast Ratio
21.00:1
WCAG Level
AAA
WCAG Requirements:
- AA (Normal): Contrast ratio ≥ 4.5:1 (Required for most web content)
- AAA (Enhanced): Contrast ratio ≥ 7:1 (Recommended for text-heavy content)
- AA Large: Contrast ratio ≥ 3:1 (For text larger than 18pt or 14pt bold)
✓ Instantly check WCAG compliance
✓ Helps ensure accessible website design
Contrast Checker — WCAG Color Contrast Ratio Checker Free Online
Check color contrast ratios against WCAG 2.1 AA (4.5:1) and AAA (7:1) standards. Ensure accessible color combinations for all users.
Why Use This Tool?
Get results in seconds — no waiting, no processing queue, no delays.
All processing happens in your browser. Files never leave your device.
Open the tool and use it immediately. No account or registration needed.
Not a trial, not freemium. 100% free forever with no hidden charges.
Works on desktop, tablet and mobile — iPhone, Android, any browser.
Pure browser-based tool. No software download or installation required.
Why Check Color Contrast?
♿ Accessibility
Ensure your website is usable by people with low vision and color blindness.
âš–ï¸ Legal Compliance
Meet WCAG 2.1 standards required by law in many jurisdictions.
🎨 Better Design
Improve readability and user experience for all visitors.
How It Works
3 simple stepsSelect Colors
Choose your background and text colors using the color pickers.
Check Ratio
The contrast ratio is calculated automatically in real-time.
Verify Compliance
Check if colors meet WCAG AA and AAA accessibility standards.
Color Contrast – FAQ
Common questions
Your Privacy, Our Priority
We don't store any of your data or files. All files are instantly deleted after your use completes.