Contrast Checker
Check the contrast ratio between two colors to ensure accessibility (WCAG AA/AAA) compliance. RGB values to HEX format for CSS and design.
Color Inputs
Example Text
This is how your colors look together
Small text (14px) • Large text (18px bold)
Contrast Results
No results yet
Select colors and click "Check Contrast" to see results
About WCAG Contrast Requirements
- • WCAG AA: Minimum contrast for legal compliance (4.5:1 normal, 3:1 large text)
- • WCAG AAA: Enhanced contrast for better accessibility (7:1 normal, 4.5:1 large text)
- • Large Text: Text that is at least 18pt (24px) or 14pt (18.66px) and bold
- • Normal Text: All other text smaller than large text threshold
About Contrast Checker
A comprehensive contrast checker tool that analyzes the color contrast ratio between foreground and background colors to ensure your designs meet WCAG (Web Content Accessibility Guidelines) compliance standards. This tool helps designers and developers create accessible interfaces by calculating precise contrast ratios and providing AA/AAA accessibility ratings.
Why use a Contrast Checker?
Web accessibility is crucial for creating inclusive digital experiences, and proper color contrast is a fundamental requirement. This tool eliminates guesswork by providing instant, accurate contrast ratio calculations and clear compliance indicators, helping you avoid accessibility violations and ensure your content is readable for users with visual impairments.
Who is it for?
Essential for web designers, UI/UX professionals, developers, and content creators who need to ensure their color choices meet accessibility standards. Perfect for anyone working on websites, mobile apps, or digital interfaces that must comply with WCAG guidelines for legal and usability requirements.
How to use the tool
Enter your foreground color using the color picker or by typing a hex, RGB, or HSL value
Select your background color using the same input methods
View the calculated contrast ratio and automatic WCAG AA/AAA compliance assessment
Adjust colors as needed to meet your desired accessibility level
Copy the final color values for use in your CSS or design files
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