black

#000000

#AD581B

#AD581B

Contrast Ratio

4.19:1

Delta E

73.8

Very Different

50:50 Mix

Color Values

Format #000000 #AD581B
HEX #000000 #AD581B
RGB 0, 0, 0 173, 88, 27
HSL 0.0, 0.0%, 0.0% 25.1, 73.0%, 39.2%
HSV 0.0, 0.0%, 0.0% 25.1, 84.4%, 67.8%
CMYK 0%, 0%, 0%, 100% 0.0%, 49.1%, 84.4%, 32.2%
OKLCH 0.0 0.0 0.0 0.5537 0.1311 51.1

Contrast & Accessibility

4.19:1
AA Fail AA Large Pass AAA Fail AAA Large Fail

Text Readability

The quick brown fox jumps over the lazy dog

Text: #AD581B → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #AD581B

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #AD581B);
background: linear-gradient(135deg, #000000, #AD581B);

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