black

#000000

#C21918

#C21918

Contrast Ratio

3.45:1

Delta E

88.04

Very Different

50:50 Mix

Color Values

Format #000000 #C21918
HEX #000000 #C21918
RGB 0, 0, 0 194, 25, 24
HSL 0.0, 0.0%, 0.0% 0.4, 78.0%, 42.7%
HSV 0.0, 0.0%, 0.0% 0.4, 87.6%, 76.1%
CMYK 0%, 0%, 0%, 100% 0.0%, 87.1%, 87.6%, 23.9%
OKLCH 0.0 0.0 0.0 0.5205 0.2004 28.1

Contrast & Accessibility

3.45:1
AA Fail AA Large Pass AAA Fail AAA Large Fail

Text Readability

The quick brown fox jumps over the lazy dog

Text: #C21918 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #C21918

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #C21918);
background: linear-gradient(135deg, #000000, #C21918);

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