// by seankriegler.com
Color Contrast Checker
Check WCAG 2.1 color contrast compliance for accessibility
Preview Text Sample - The quick brown fox
21.0:1
// WCAG 2.1
Web Content Accessibility Guidelines require minimum contrast ratios for text readability by people with visual impairments.
// AA vs AAA
AA requires 4.5:1 for normal text, 3:1 for large text. AAA requires 7:1 for normal text, 4.5:1 for large text.
// Large Text
Large text is defined as 18pt (24px) or 14pt bold (18.66px bold). Lower contrast ratios are acceptable.