black

#000000

#90371D

#90371D

Contrast Ratio

2.75:1

Delta E

61.42

Very Different

50:50 Mix

Color Values

Format #000000 #90371D
HEX #000000 #90371D
RGB 0, 0, 0 144, 55, 29
HSL 0.0, 0.0%, 0.0% 13.6, 66.5%, 33.9%
HSV 0.0, 0.0%, 0.0% 13.6, 79.9%, 56.5%
CMYK 0%, 0%, 0%, 100% 0.0%, 61.8%, 79.9%, 43.5%
OKLCH 0.0 0.0 0.0 0.4577 0.1268 36.7

Contrast & Accessibility

2.75:1
AA Fail AA Large Fail AAA Fail AAA Large Fail

Text Readability

The quick brown fox jumps over the lazy dog

Text: #90371D → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #90371D

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #90371D);
background: linear-gradient(135deg, #000000, #90371D);

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