A11y tool · #03
Contrast checker
Test any foreground/background pair against WCAG AA and AAA guidelines. Live-updated ratio with a real-copy preview.
Text (foreground)
Background
Contrast ratio
17.40:1
AA Large
AA Small
AAA Large
AAA Small
AA large ≥ 3.0 · AA small ≥ 4.5 · AAA large ≥ 4.5 · AAA small ≥ 7.0
Live preview
The quick brown fox
jumps over the lazy dog.
Body copy at a comfortable reading size. This paragraph shows how legible your color pair is at real content sizes.
Small copy — footnotes, captions and metadata. If this text is hard to read, the pair fails AA-small.