black

#000000

#A7221A

#A7221A

Contrast Ratio

2.89:1

Delta E

74.97

Very Different

50:50 Mix

Color Values

Format #000000 #A7221A
HEX #000000 #A7221A
RGB 0, 0, 0 167, 34, 26
HSL 0.0, 0.0%, 0.0% 3.4, 73.1%, 37.8%
HSV 0.0, 0.0%, 0.0% 3.4, 84.4%, 65.5%
CMYK 0%, 0%, 0%, 100% 0.0%, 79.6%, 84.4%, 34.5%
OKLCH 0.0 0.0 0.0 0.4755 0.1701 28.9

Contrast & Accessibility

2.89:1
AA Fail AA Large Fail AAA Fail AAA Large Fail

Text Readability

The quick brown fox jumps over the lazy dog

Text: #A7221A → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #A7221A

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #A7221A);
background: linear-gradient(135deg, #000000, #A7221A);

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