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🔍 Contrast Checker
Ensure your text and background colours meet WCAG accessibility standards for all users.
Large Text Preview
Regular body text preview — the quick brown fox jumps over the lazy dog.
Text (Foreground)
Background
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Contrast Ratio
Why use OmnifyTools Contrast Checker?
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WCAG Compliant
Tests against AA and AAA standards for both normal and large text sizes.
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Live Preview
See exactly how your colour combination looks before you ship it.
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100% Private
All calculations run locally — your design choices stay on your device.
Frequently Asked Questions
What is WCAG contrast?
WCAG defines minimum contrast ratios so text is readable for users with visual impairments.
Which levels does it test?
AA and AAA compliance for both normal and large text sizes.
Why does contrast matter for SEO?
Accessible sites rank better, reduce bounce rates, and meet legal accessibility standards.
Can I swap foreground and background?
Yes — use the swap button to test the reverse combination.
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