Check color contrast ratios to ensure accessibility compliance with WCAG guidelines. Test text readability and accessibility for all users.
Ensure your designs meet WCAG 2.1 AA and AAA accessibility standards. Get detailed reports on contrast ratios for text, UI elements, and interactive components.
See how your text looks with different font sizes and weights for real-world testing. Preview your designs across various scenarios and devices.
Get intelligent suggestions to improve contrast when your colors don't meet standards. Our algorithm finds the closest accessible alternatives.
Get comprehensive contrast ratio analysis with explanations of accessibility requirements. Understand why certain combinations work or don't work.
Normal text must have a contrast ratio of at least 4.5:1 against its background. This is the minimum requirement for most web content.
Enhanced contrast ratio of 7:1 for normal text provides better accessibility for users with visual impairments.
Large text (18pt+ or 14pt+ bold) requires a contrast ratio of at least 3:1 against its background.
Always test your color combinations in different lighting conditions and on various devices to ensure consistent accessibility.
Mobile users often view content in bright sunlight. Ensure your contrast ratios work well in all viewing conditions.
Remember that approximately 8% of men and 0.5% of women have color vision deficiencies. High contrast helps everyone.
Don't rely solely on color to convey information. Use patterns, icons, or text labels as additional indicators.