black

#000000

#EC4444

#EC4444

Contrast Ratio

5.48:1

Delta E

92.22

Very Different

50:50 Mix

Color Values

Format #000000 #EC4444
HEX #000000 #EC4444
RGB 0, 0, 0 236, 68, 68
HSL 0.0, 0.0%, 0.0% 0.0, 81.6%, 59.6%
HSV 0.0, 0.0%, 0.0% 0.0, 71.2%, 92.5%
CMYK 0%, 0%, 0%, 100% 0.0%, 71.2%, 71.2%, 7.5%
OKLCH 0.0 0.0 0.0 0.6318 0.2049 25.3

Contrast & Accessibility

5.48:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #EC4444 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #EC4444

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #EC4444);
background: linear-gradient(135deg, #000000, #EC4444);

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