black

#000000

#E23939

#E23939

Contrast Ratio

4.88:1

Delta E

91.32

Very Different

50:50 Mix

Color Values

Format #000000 #E23939
HEX #000000 #E23939
RGB 0, 0, 0 226, 57, 57
HSL 0.0, 0.0%, 0.0% 0.0, 74.4%, 55.5%
HSV 0.0, 0.0%, 0.0% 0.0, 74.8%, 88.6%
CMYK 0%, 0%, 0%, 100% 0.0%, 74.8%, 74.8%, 11.4%
OKLCH 0.0 0.0 0.0 0.6036 0.2057 25.9

Contrast & Accessibility

4.88:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #E23939 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #E23939

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #E23939);
background: linear-gradient(135deg, #000000, #E23939);

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