black

#000000

#C63B38

#C63B38

Contrast Ratio

4.08:1

Delta E

79.18

Very Different

50:50 Mix

Color Values

Format #000000 #C63B38
HEX #000000 #C63B38
RGB 0, 0, 0 198, 59, 56
HSL 0.0, 0.0%, 0.0% 1.3, 55.9%, 49.8%
HSV 0.0, 0.0%, 0.0% 1.3, 71.7%, 77.6%
CMYK 0%, 0%, 0%, 100% 0.0%, 70.2%, 71.7%, 22.4%
OKLCH 0.0 0.0 0.0 0.5573 0.1764 26.0

Contrast & Accessibility

4.08:1
AA Fail AA Large Pass AAA Fail AAA Large Fail

Text Readability

The quick brown fox jumps over the lazy dog

Text: #C63B38 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #C63B38

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #C63B38);
background: linear-gradient(135deg, #000000, #C63B38);

Explore Each Color

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