black

#000000

#AC2921

#AC2921

Contrast Ratio

3.09:1

Delta E

74.75

Very Different

50:50 Mix

Color Values

Format #000000 #AC2921
HEX #000000 #AC2921
RGB 0, 0, 0 172, 41, 33
HSL 0.0, 0.0%, 0.0% 3.5, 67.8%, 40.2%
HSV 0.0, 0.0%, 0.0% 3.5, 80.8%, 67.5%
CMYK 0%, 0%, 0%, 100% 0.0%, 76.2%, 80.8%, 32.5%
OKLCH 0.0 0.0 0.0 0.4913 0.1688 28.5

Contrast & Accessibility

3.09:1
AA Fail AA Large Pass AAA Fail AAA Large Fail

Text Readability

The quick brown fox jumps over the lazy dog

Text: #AC2921 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #AC2921

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #AC2921);
background: linear-gradient(135deg, #000000, #AC2921);

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