black

#000000

#B13331

#B13331

Contrast Ratio

3.39:1

Delta E

72.2

Very Different

50:50 Mix

Color Values

Format #000000 #B13331
HEX #000000 #B13331
RGB 0, 0, 0 177, 51, 49
HSL 0.0, 0.0%, 0.0% 0.9, 56.6%, 44.3%
HSV 0.0, 0.0%, 0.0% 0.9, 72.3%, 69.4%
CMYK 0%, 0%, 0%, 100% 0.0%, 71.2%, 72.3%, 30.6%
OKLCH 0.0 0.0 0.0 0.5119 0.163 25.8

Contrast & Accessibility

3.39:1
AA Fail AA Large Pass AAA Fail AAA Large Fail

Text Readability

The quick brown fox jumps over the lazy dog

Text: #B13331 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #B13331

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #B13331);
background: linear-gradient(135deg, #000000, #B13331);

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