black

#000000

#CF1B33

#CF1B33

Contrast Ratio

3.86:1

Delta E

87.34

Very Different

50:50 Mix

Color Values

Format #000000 #CF1B33
HEX #000000 #CF1B33
RGB 0, 0, 0 207, 27, 51
HSL 0.0, 0.0%, 0.0% 352.0, 76.9%, 45.9%
HSV 0.0, 0.0%, 0.0% 352.0, 87.0%, 81.2%
CMYK 0%, 0%, 0%, 100% 0.0%, 87.0%, 75.4%, 18.8%
OKLCH 0.0 0.0 0.0 0.5486 0.2085 22.3

Contrast & Accessibility

3.86:1
AA Fail AA Large Pass AAA Fail AAA Large Fail

Text Readability

The quick brown fox jumps over the lazy dog

Text: #CF1B33 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #CF1B33

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #CF1B33);
background: linear-gradient(135deg, #000000, #CF1B33);

Explore Each Color

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