black

#000000

#C21C13

#C21C13

Contrast Ratio

3.47:1

Delta E

88.92

Very Different

50:50 Mix

Color Values

Format #000000 #C21C13
HEX #000000 #C21C13
RGB 0, 0, 0 194, 28, 19
HSL 0.0, 0.0%, 0.0% 3.1, 82.2%, 41.8%
HSV 0.0, 0.0%, 0.0% 3.1, 90.2%, 76.1%
CMYK 0%, 0%, 0%, 100% 0.0%, 85.6%, 90.2%, 23.9%
OKLCH 0.0 0.0 0.0 0.5218 0.1994 29.3

Contrast & Accessibility

3.47:1
AA Fail AA Large Pass AAA Fail AAA Large Fail

Text Readability

The quick brown fox jumps over the lazy dog

Text: #C21C13 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #C21C13

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #C21C13);
background: linear-gradient(135deg, #000000, #C21C13);

Explore Each Color

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