black

#000000

#C73C39

#C73C39

Contrast Ratio

4.13:1

Delta E

79.3

Very Different

50:50 Mix

Color Values

Format #000000 #C73C39
HEX #000000 #C73C39
RGB 0, 0, 0 199, 60, 57
HSL 0.0, 0.0%, 0.0% 1.3, 55.9%, 50.2%
HSV 0.0, 0.0%, 0.0% 1.3, 71.4%, 78.0%
CMYK 0%, 0%, 0%, 100% 0.0%, 69.8%, 71.4%, 22.0%
OKLCH 0.0 0.0 0.0 0.5602 0.1764 25.9

Contrast & Accessibility

4.13:1
AA Fail AA Large Pass AAA Fail AAA Large Fail

Text Readability

The quick brown fox jumps over the lazy dog

Text: #C73C39 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #C73C39

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #C73C39);
background: linear-gradient(135deg, #000000, #C73C39);

Explore Each Color

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