Test whether your foreground and background colors meet WCAG 2.1 accessibility standards. Adjust the colors below to see the contrast ratio update in real time.
The quick brown fox
jumps over the lazy dog — 1234567890
Small sample text for contrast preview.
Large text is defined as 18pt (24px) or 14pt (18.66px) bold or larger. Everything else counts as normal text.
WCAG 2.1 Level AA is the common legal standard (ADA, EAA, Section 508). AAA is the enhanced target for critical content. Contrast is calculated using the WCAG relative luminance formula.