black

#000000

#D13B37

#D13B37

Contrast Ratio

4.39:1

Delta E

84.19

Very Different

50:50 Mix

Color Values

Format #000000 #D13B37
HEX #000000 #D13B37
RGB 0, 0, 0 209, 59, 55
HSL 0.0, 0.0%, 0.0% 1.6, 62.6%, 51.8%
HSV 0.0, 0.0%, 0.0% 1.6, 73.7%, 82.0%
CMYK 0%, 0%, 0%, 100% 0.0%, 71.8%, 73.7%, 18.0%
OKLCH 0.0 0.0 0.0 0.5759 0.1877 26.6

Contrast & Accessibility

4.39:1
AA Fail AA Large Pass AAA Fail AAA Large Fail

Text Readability

The quick brown fox jumps over the lazy dog

Text: #D13B37 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #D13B37

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #D13B37);
background: linear-gradient(135deg, #000000, #D13B37);

Explore Each Color

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