black

#000000

#C51921

#C51921

Contrast Ratio

3.54:1

Delta E

87.22

Very Different

50:50 Mix

Color Values

Format #000000 #C51921
HEX #000000 #C51921
RGB 0, 0, 0 197, 25, 33
HSL 0.0, 0.0%, 0.0% 357.2, 77.5%, 43.5%
HSV 0.0, 0.0%, 0.0% 357.2, 87.3%, 77.3%
CMYK 0%, 0%, 0%, 100% 0.0%, 87.3%, 83.2%, 22.7%
OKLCH 0.0 0.0 0.0 0.5269 0.2022 26.3

Contrast & Accessibility

3.54:1
AA Fail AA Large Pass AAA Fail AAA Large Fail

Text Readability

The quick brown fox jumps over the lazy dog

Text: #C51921 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #C51921

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #C51921);
background: linear-gradient(135deg, #000000, #C51921);

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