Contrast Ratio Tool
Calculate WCAG contrast ratios with AA/AAA compliance indicators.
21.00:1
Sample Text β Contrast Ratio
The quick brown fox jumps over the lazy dog
AA Large (3:1)18pt or 14pt bold
PASSAA Normal (4.5:1)Body text
PASSAAA Large (4.5:1)Enhanced large
PASSAAA Normal (7:1)Enhanced body
PASSRelated Tools
About this tool
Calculate WCAG contrast ratios with AA/AAA compliance indicators.