Color Contrast Checker

Large Text - 19px bold or 24px regular

Contrast ratio is a measure of the difference in perceived brightness between two colors. The higher the ratio, the better the contrast.

Normal Text - 16px

According to Web Content Accessibility Guidelines (WCAG), text and images of text should have a minimum contrast ratio of 4.5:1 (Level AA), while large text should have minimum contrast ratio of 3:1. For enhanced contrast (Level AAA), normal text and large text should have minimum contrast ratio of 7:1 and 4.5:1 respectively.

Background Color
HEX
Text Color
HEX
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Regular Vision (Trichromatic)

Can distinguish all three primary color, little to no blurriness

Contrast Ratio 4.46:1

Level Normal Text Large Text
AA ✗ FAIL ✓ PASS
AAA ✗ FAIL ✗ FAIL

Protanomaly

Trouble distinguishing reds

Contrast Ratio 4.56:1

Level Normal Text Large Text
AA ✓ PASS ✓ PASS
AAA ✗ FAIL ✓ PASS

Protanopia

Red blind - Can’t see reds at all

Contrast Ratio 4.43:1

Level Normal Text Large Text
AA ✗ FAIL ✓ PASS
AAA ✗ FAIL ✗ FAIL

Deuteranomaly

Trouble distinguishing greens

Contrast Ratio 4.52:1

Level Normal Text Large Text
AA ✓ PASS ✓ PASS
AAA ✗ FAIL ✓ PASS

Deuteranopia

Green blind - Can’t see greens at all

Contrast Ratio 4.5:1

Level Normal Text Large Text
AA ✓ PASS ✓ PASS
AAA ✗ FAIL ✓ PASS

Tritanomaly

Trouble distinguishing blues

Contrast Ratio 4.5:1

Level Normal Text Large Text
AA ✓ PASS ✓ PASS
AAA ✗ FAIL ✓ PASS

Tritanopia

Blue blind - Can’t see blues at all

Contrast Ratio 4.46:1

Level Normal Text Large Text
AA ✗ FAIL ✓ PASS
AAA ✗ FAIL ✗ FAIL

Achromatomaly

Partial color blindness, sees the absence of most colors

Contrast Ratio 4.69:1

Level Normal Text Large Text
AA ✓ PASS ✓ PASS
AAA ✗ FAIL ✓ PASS

Achromatopsia

Complete color blindness, can only see shades

Contrast Ratio 4.74:1

Level Normal Text Large Text
AA ✓ PASS ✓ PASS
AAA ✗ FAIL ✓ PASS