black

#000000

#A51F3F

#A51F3F

Contrast Ratio

2.87:1

Delta E

67.52

Very Different

50:50 Mix

Color Values

Format #000000 #A51F3F
HEX #000000 #A51F3F
RGB 0, 0, 0 165, 31, 63
HSL 0.0, 0.0%, 0.0% 345.7, 68.4%, 38.4%
HSV 0.0, 0.0%, 0.0% 345.7, 81.2%, 64.7%
CMYK 0%, 0%, 0%, 100% 0.0%, 81.2%, 61.8%, 35.3%
OKLCH 0.0 0.0 0.0 0.4751 0.1682 13.7

Contrast & Accessibility

2.87:1
AA Fail AA Large Fail AAA Fail AAA Large Fail

Text Readability

The quick brown fox jumps over the lazy dog

Text: #A51F3F → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #A51F3F

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #A51F3F);
background: linear-gradient(135deg, #000000, #A51F3F);

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