black

#000000

#AC2B15

#AC2B15

Contrast Ratio

3.11:1

Delta E

77.45

Very Different

50:50 Mix

Color Values

Format #000000 #AC2B15
HEX #000000 #AC2B15
RGB 0, 0, 0 172, 43, 21
HSL 0.0, 0.0%, 0.0% 8.7, 78.2%, 37.8%
HSV 0.0, 0.0%, 0.0% 8.7, 87.8%, 67.5%
CMYK 0%, 0%, 0%, 100% 0.0%, 75.0%, 87.8%, 32.5%
OKLCH 0.0 0.0 0.0 0.4921 0.1689 32.1

Contrast & Accessibility

3.11:1
AA Fail AA Large Pass AAA Fail AAA Large Fail

Text Readability

The quick brown fox jumps over the lazy dog

Text: #AC2B15 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #AC2B15

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #AC2B15);
background: linear-gradient(135deg, #000000, #AC2B15);

Explore Each Color

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