black

#000000

#B71D3F

#B71D3F

Contrast Ratio

3.26:1

Delta E

75.18

Very Different

50:50 Mix

Color Values

Format #000000 #B71D3F
HEX #000000 #B71D3F
RGB 0, 0, 0 183, 29, 63
HSL 0.0, 0.0%, 0.0% 346.8, 72.6%, 41.6%
HSV 0.0, 0.0%, 0.0% 346.8, 84.2%, 71.8%
CMYK 0%, 0%, 0%, 100% 0.0%, 84.2%, 65.6%, 28.2%
OKLCH 0.0 0.0 0.0 0.5071 0.1859 16.1

Contrast & Accessibility

3.26:1
AA Fail AA Large Pass AAA Fail AAA Large Fail

Text Readability

The quick brown fox jumps over the lazy dog

Text: #B71D3F → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #B71D3F

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #B71D3F);
background: linear-gradient(135deg, #000000, #B71D3F);

Explore Each Color

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