Contrast Checker

Foreground Color

Please enter a valid hex triplet, or use the color picker.

Hex color picker

Lightness

↔️swap values

Background Color

Please enter a valid hex triplet, or use the color picker.

Hex color picker

Lightness

Normal Text

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Large Text

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Graphical Objects and User Interface Components

Explanation

Enter a foreground and background color in RGB hexadecimal format (e.g., #FD3 or #F7DA39) or choose a color using the color picker. The Lightness slider can be used to adjust the selected color.

WCAG 2.0 level AA requires a contrast ratio of at least 4.5:1 for normal text and 3:1 for large text. WCAG 2.1 requires a contrast ratio of at least 3:1 for graphics and user interface components (such as form input borders). WCAG Level 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 14 point (typically 18.66px) and bold or larger, or 18 point (typically 24px) or larger.

Hint: Colorzilla is an excellent tool for extracting the color value from any page element. Additionally, WAVE can analyze contrast ratios for all page text elements at once.

Use our link contrast checker to evaluate links that are identified using color alone.