black

#000000

#B71D2C

#B71D2C

Contrast Ratio

3.23:1

Delta E

78.38

Very Different

50:50 Mix

Color Values

Format #000000 #B71D2C
HEX #000000 #B71D2C
RGB 0, 0, 0 183, 29, 44
HSL 0.0, 0.0%, 0.0% 354.2, 72.6%, 41.6%
HSV 0.0, 0.0%, 0.0% 354.2, 84.2%, 71.8%
CMYK 0%, 0%, 0%, 100% 0.0%, 84.2%, 76.0%, 28.2%
OKLCH 0.0 0.0 0.0 0.504 0.1866 23.1

Contrast & Accessibility

3.23:1
AA Fail AA Large Pass AAA Fail AAA Large Fail

Text Readability

The quick brown fox jumps over the lazy dog

Text: #B71D2C β†’ Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 β†’ Background: #B71D2C

Color Difference (Delta E)

78.38 Very Different
0 β€” Identical 5 β€” Similar 25 β€” Noticeable 100 β€” Very Different

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #B71D2C);
background: linear-gradient(135deg, #000000, #B71D2C);

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