black

#000000

#C13D3F

#C13D3F

Contrast Ratio

4.01:1

Delta E

75.44

Very Different

50:50 Mix

Color Values

Format #000000 #C13D3F
HEX #000000 #C13D3F
RGB 0, 0, 0 193, 61, 63
HSL 0.0, 0.0%, 0.0% 359.1, 52.0%, 49.8%
HSV 0.0, 0.0%, 0.0% 359.1, 68.4%, 75.7%
CMYK 0%, 0%, 0%, 100% 0.0%, 68.4%, 67.4%, 24.3%
OKLCH 0.0 0.0 0.0 0.5521 0.1684 23.7

Contrast & Accessibility

4.01:1
AA Fail AA Large Pass AAA Fail AAA Large Fail

Text Readability

The quick brown fox jumps over the lazy dog

Text: #C13D3F → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #C13D3F

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #C13D3F);
background: linear-gradient(135deg, #000000, #C13D3F);

Explore Each Color

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