black

#000000

#B71C28

#B71C28

Contrast Ratio

3.21:1

Delta E

79.33

Very Different

50:50 Mix

Color Values

Format #000000 #B71C28
HEX #000000 #B71C28
RGB 0, 0, 0 183, 28, 40
HSL 0.0, 0.0%, 0.0% 355.4, 73.5%, 41.4%
HSV 0.0, 0.0%, 0.0% 355.4, 84.7%, 71.8%
CMYK 0%, 0%, 0%, 100% 0.0%, 84.7%, 78.1%, 28.2%
OKLCH 0.0 0.0 0.0 0.5029 0.1875 24.3

Contrast & Accessibility

3.21:1
AA Fail AA Large Pass AAA Fail AAA Large Fail

Text Readability

The quick brown fox jumps over the lazy dog

Text: #B71C28 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #B71C28

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #B71C28);
background: linear-gradient(135deg, #000000, #B71C28);

Explore Each Color

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