black

#000000

#B51913

#B51913

Contrast Ratio

3.11:1

Delta E

83.64

Very Different

50:50 Mix

Color Values

Format #000000 #B51913
HEX #000000 #B51913
RGB 0, 0, 0 181, 25, 19
HSL 0.0, 0.0%, 0.0% 2.2, 81.0%, 39.2%
HSV 0.0, 0.0%, 0.0% 2.2, 89.5%, 71.0%
CMYK 0%, 0%, 0%, 100% 0.0%, 86.2%, 89.5%, 29.0%
OKLCH 0.0 0.0 0.0 0.4955 0.1893 28.9

Contrast & Accessibility

3.11:1
AA Fail AA Large Pass AAA Fail AAA Large Fail

Text Readability

The quick brown fox jumps over the lazy dog

Text: #B51913 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #B51913

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #B51913);
background: linear-gradient(135deg, #000000, #B51913);

Explore Each Color

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