black

#000000

#B51A13

#B51A13

Contrast Ratio

3.12:1

Delta E

83.56

Very Different

50:50 Mix

Color Values

Format #000000 #B51A13
HEX #000000 #B51A13
RGB 0, 0, 0 181, 26, 19
HSL 0.0, 0.0%, 0.0% 2.6, 81.0%, 39.2%
HSV 0.0, 0.0%, 0.0% 2.6, 89.5%, 71.0%
CMYK 0%, 0%, 0%, 100% 0.0%, 85.6%, 89.5%, 29.0%
OKLCH 0.0 0.0 0.0 0.496 0.1888 29.0

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: #B51A13 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #B51A13

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #B51A13);
background: linear-gradient(135deg, #000000, #B51A13);

Explore Each Color

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