black

#000000

#F55151

#F55151

Contrast Ratio

6.18:1

Delta E

92.29

Very Different

50:50 Mix

Color Values

Format #000000 #F55151
HEX #000000 #F55151
RGB 0, 0, 0 245, 81, 81
HSL 0.0, 0.0%, 0.0% 0.0, 89.1%, 63.9%
HSV 0.0, 0.0%, 0.0% 0.0, 66.9%, 96.1%
CMYK 0%, 0%, 0%, 100% 0.0%, 66.9%, 66.9%, 3.9%
OKLCH 0.0 0.0 0.0 0.6615 0.2005 24.5

Contrast & Accessibility

6.18:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #F55151 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #F55151

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #F55151);
background: linear-gradient(135deg, #000000, #F55151);

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