black

#000000

#AC3F37

#AC3F37

Contrast Ratio

3.52:1

Delta E

67.37

Very Different

50:50 Mix

Color Values

Format #000000 #AC3F37
HEX #000000 #AC3F37
RGB 0, 0, 0 172, 63, 55
HSL 0.0, 0.0%, 0.0% 4.1, 51.5%, 44.5%
HSV 0.0, 0.0%, 0.0% 4.1, 68.0%, 67.5%
CMYK 0%, 0%, 0%, 100% 0.0%, 63.4%, 68.0%, 32.5%
OKLCH 0.0 0.0 0.0 0.5183 0.1446 27.4

Contrast & Accessibility

3.52:1
AA Fail AA Large Pass AAA Fail AAA Large Fail

Text Readability

The quick brown fox jumps over the lazy dog

Text: #AC3F37 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #AC3F37

Color Difference (Delta E)

67.37 Very Different
0 — Identical 5 — Similar 25 — Noticeable 100 — Very Different

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #AC3F37);
background: linear-gradient(135deg, #000000, #AC3F37);

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