black

#000000

#C91F1C

#C91F1C

Contrast Ratio

3.7:1

Delta E

89.62

Very Different

50:50 Mix

Color Values

Format #000000 #C91F1C
HEX #000000 #C91F1C
RGB 0, 0, 0 201, 31, 28
HSL 0.0, 0.0%, 0.0% 1.0, 75.5%, 44.9%
HSV 0.0, 0.0%, 0.0% 1.0, 86.1%, 78.8%
CMYK 0%, 0%, 0%, 100% 0.0%, 84.6%, 86.1%, 21.2%
OKLCH 0.0 0.0 0.0 0.5372 0.2032 28.1

Contrast & Accessibility

3.7:1
AA Fail AA Large Pass AAA Fail AAA Large Fail

Text Readability

The quick brown fox jumps over the lazy dog

Text: #C91F1C → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #C91F1C

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #C91F1C);
background: linear-gradient(135deg, #000000, #C91F1C);

Explore Each Color

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