black

#000000

#D42D21

#D42D21

Contrast Ratio

4.2:1

Delta E

91.89

Very Different

50:50 Mix

Color Values

Format #000000 #D42D21
HEX #000000 #D42D21
RGB 0, 0, 0 212, 45, 33
HSL 0.0, 0.0%, 0.0% 4.0, 73.1%, 48.0%
HSV 0.0, 0.0%, 0.0% 4.0, 84.4%, 83.1%
CMYK 0%, 0%, 0%, 100% 0.0%, 78.8%, 84.4%, 16.9%
OKLCH 0.0 0.0 0.0 0.5669 0.2041 29.3

Contrast & Accessibility

4.2:1
AA Fail AA Large Pass AAA Fail AAA Large Fail

Text Readability

The quick brown fox jumps over the lazy dog

Text: #D42D21 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #D42D21

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #D42D21);
background: linear-gradient(135deg, #000000, #D42D21);

Explore Each Color

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