black

#000000

#E71825

#E71825

Contrast Ratio

4.56:1

Delta E

100.56

Very Different

50:50 Mix

Color Values

Format #000000 #E71825
HEX #000000 #E71825
RGB 0, 0, 0 231, 24, 37
HSL 0.0, 0.0%, 0.0% 356.2, 81.2%, 50.0%
HSV 0.0, 0.0%, 0.0% 356.2, 89.6%, 90.6%
CMYK 0%, 0%, 0%, 100% 0.0%, 89.6%, 84.0%, 9.4%
OKLCH 0.0 0.0 0.0 0.5905 0.2312 26.4

Contrast & Accessibility

4.56:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #E71825 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #E71825

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #E71825);
background: linear-gradient(135deg, #000000, #E71825);

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