black

#000000

#B31E21

#B31E21

Contrast Ratio

3.12:1

Delta E

79.01

Very Different

50:50 Mix

Color Values

Format #000000 #B31E21
HEX #000000 #B31E21
RGB 0, 0, 0 179, 30, 33
HSL 0.0, 0.0%, 0.0% 358.8, 71.3%, 41.0%
HSV 0.0, 0.0%, 0.0% 358.8, 83.2%, 70.2%
CMYK 0%, 0%, 0%, 100% 0.0%, 83.2%, 81.6%, 29.8%
OKLCH 0.0 0.0 0.0 0.4958 0.1833 26.4

Contrast & Accessibility

3.12:1
AA Fail AA Large Pass AAA Fail AAA Large Fail

Text Readability

The quick brown fox jumps over the lazy dog

Text: #B31E21 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #B31E21

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #B31E21);
background: linear-gradient(135deg, #000000, #B31E21);

Explore Each Color

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