Make sure your text is readable. Enter foreground and background colors to get the WCAG contrast ratio and whether it passes AA/AAA.
Large text sample
Normal body text sample — the quick brown fox.
Runs entirely in your browser — nothing you enter is uploaded or stored.
A color contrast checker measures the WCAG contrast ratio between text and its background and tells you whether it passes accessibility levels AA and AAA. Low contrast fails real users and accessibility audits. Enter foreground and background colors to get the exact ratio and pass/fail for normal and large text.