black

#000000

#AC1F21

#AC1F21

Contrast Ratio

2.97:1

Delta E

75.82

Very Different

50:50 Mix

Color Values

Format #000000 #AC1F21
HEX #000000 #AC1F21
RGB 0, 0, 0 172, 31, 33
HSL 0.0, 0.0%, 0.0% 359.1, 69.5%, 39.8%
HSV 0.0, 0.0%, 0.0% 359.1, 82.0%, 67.5%
CMYK 0%, 0%, 0%, 100% 0.0%, 82.0%, 80.8%, 32.5%
OKLCH 0.0 0.0 0.0 0.4833 0.1761 26.4

Contrast & Accessibility

2.97:1
AA Fail AA Large Fail AAA Fail AAA Large Fail

Text Readability

The quick brown fox jumps over the lazy dog

Text: #AC1F21 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #AC1F21

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #AC1F21);
background: linear-gradient(135deg, #000000, #AC1F21);

Explore Each Color

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