Toolbox
Color Contrast Checker
Contrast ratio
Normal text
AAAAA
Large text (18pt / 24px, or 14pt bold)
AAAAA
Preview
This is sample body text to judge readability at a glance.
Large Text Sample
WCAG 2.2 thresholds: normal text AA ≥ 4.5, AAA ≥ 7; large text AA ≥ 3, AAA ≥ 4.5.
Check the WCAG contrast ratio between text and background colours, with AA/AAA verdicts for normal and large text plus a live preview.