black

#000000

#C0403F

#C0403F

Contrast Ratio

4.05:1

Delta E

74.65

Very Different

50:50 Mix

Color Values

Format #000000 #C0403F
HEX #000000 #C0403F
RGB 0, 0, 0 192, 64, 63
HSL 0.0, 0.0%, 0.0% 0.5, 50.6%, 50.0%
HSV 0.0, 0.0%, 0.0% 0.5, 67.2%, 75.3%
CMYK 0%, 0%, 0%, 100% 0.0%, 66.7%, 67.2%, 24.7%
OKLCH 0.0 0.0 0.0 0.5537 0.1643 24.6

Contrast & Accessibility

4.05:1
AA Fail AA Large Pass AAA Fail AAA Large Fail

Text Readability

The quick brown fox jumps over the lazy dog

Text: #C0403F → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #C0403F

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #C0403F);
background: linear-gradient(135deg, #000000, #C0403F);

Explore Each Color

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