Color Contrast Checker

WCAG 2.1 (AA) requires a contrast ratio of at least 4.5:1 for normal text and 3:1 for large text, graphics, and user interface components. WCAG 2.1 (AAA) requires a contrast ratio of at least 7:1 for normal text and 4.5:1 for large text. "Large" text is defined as at least 18pt font size or at least 14pt bolded.

Contrast Ratio:

21:1

Interacting with the buttons and input fields below will update the content above and below.

Enter a Hex or RGB value for Color #1

Interacting with the buttons and input fields below will update the content above and below.

Enter a Hex or RGB value for Color #2

Requirements

Normal Text

Pass

Large Text

Pass

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Normal Sized Text

Normal sized text (14pt) must have a contrast ratio of at least 4.5:1


Large Sized Text

Large text (18pt or 14pt bold), graphics, and interface components require a contrast ratio of at least 3:1

Normal Sized Text

Normal sized text (14pt) must have a contrast ratio of at least 4.5:1


Large Sized Text

Large text (18pt or 14pt bold), graphics, and interface components require a contrast ratio of at least 3:1