Color Accessibility Checker
Check color contrast ratios and ensure your color combinations meet WCAG accessibility guidelines.
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How Our Color Accessibility Checker Ensures WCAG Compliance
WCAG Contrast Ratio Testing
Our accessibility checker automatically calculates contrast ratios between foreground and background colors according to WCAG 2.1 guidelines. Get instant feedback on whether your color combinations meet AA or AAA compliance levels for normal text, large text, and UI components.
Real-time Accessibility Feedback
See immediate results as you adjust colors, with clear pass/fail indicators for different WCAG conformance levels. Our tool provides specific recommendations for improving contrast ratios and suggests alternative colors that meet accessibility standards.
Multiple Text Size Testing
Test color combinations for various text sizes and weights. Our checker evaluates normal text (under 18pt), large text (18pt and above), and bold text (14pt and above) to ensure your design works for all typography scenarios according to WCAG guidelines.
Comprehensive Accessibility Reports
Generate detailed accessibility reports showing contrast ratios, compliance levels, and improvement suggestions. Export reports for documentation, client presentations, or team collaboration to ensure your entire project meets accessibility standards.
When to Use Our Color Accessibility Checker
Essential for ensuring your websites, web applications, and digital interfaces meet WCAG accessibility standards. Test color combinations early in the design process to avoid costly accessibility remediation later in development.
Required for organizations that must comply with accessibility regulations like Section 508, ADA, or international accessibility laws. Our checker helps ensure your digital products are accessible to users with visual impairments.
Create designs that work for everyone, including users with low vision, color blindness, or other visual disabilities. Our tool helps you build more inclusive digital experiences that benefit all users, not just those with disabilities.
Validate that your brand colors and design system components meet accessibility standards. Ensure your corporate colors can be used in accessible combinations across all touchpoints, from websites to mobile apps and documents.
Frequently Asked Questions About Color Accessibility Checker
Have questions about our accessibility checker? Find answers below or contact us for more information.
What WCAG standards does the accessibility checker support?
Our checker supports WCAG 2.1 Level AA and AAA standards, testing contrast ratios for normal text (4.5:1 minimum), large text (3:1 minimum), and AAA compliance (7:1 for normal text, 4.5:1 for large text). We also check UI component contrast requirements.
How accurate are the contrast ratio calculations?
Our calculations follow the exact WCAG 2.1 algorithm for measuring relative luminance and contrast ratios. The results are identical to those you would get from official WCAG testing tools and are suitable for legal compliance documentation.
Can I test colors in different formats?
Yes! Input colors in HEX, RGB, HSL, or any other supported format. The checker automatically converts between formats and provides accurate contrast ratio calculations regardless of how you specify your colors.
What should I do if my colors fail accessibility tests?
Our tool provides specific suggestions for improving contrast ratios, including recommended darker or lighter alternatives. You can adjust either the foreground or background color until you achieve the required contrast ratio for your compliance level.
Is this tool suitable for legal compliance documentation?
Yes! Our checker follows official WCAG calculation methods and provides detailed reports suitable for accessibility audits, legal compliance documentation, and certification processes. The results are recognized by accessibility professionals and regulatory bodies.
Does the checker work for colorblind users?
While our primary focus is contrast ratio testing, good contrast ratios also benefit users with various types of color vision deficiencies. However, we recommend additional colorblind-specific testing tools for comprehensive accessibility evaluation.