black

#000000

#B21313

#B21313

Contrast Ratio

3.0:1

Delta E

82.82

Very Different

50:50 Mix

Color Values

Format #000000 #B21313
HEX #000000 #B21313
RGB 0, 0, 0 178, 19, 19
HSL 0.0, 0.0%, 0.0% 0.0, 80.7%, 38.6%
HSV 0.0, 0.0%, 0.0% 0.0, 89.3%, 69.8%
CMYK 0%, 0%, 0%, 100% 0.0%, 89.3%, 89.3%, 30.2%
OKLCH 0.0 0.0 0.0 0.4867 0.1895 28.1

Contrast & Accessibility

3.0:1
AA Fail AA Large Fail AAA Fail AAA Large Fail

Text Readability

The quick brown fox jumps over the lazy dog

Text: #B21313 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #B21313

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #B21313);
background: linear-gradient(135deg, #000000, #B21313);

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