black

#000000

#F73439

#F73439

Contrast Ratio

5.51:1

Delta E

100.64

Very Different

50:50 Mix

Color Values

Format #000000 #F73439
HEX #000000 #F73439
RGB 0, 0, 0 247, 52, 57
HSL 0.0, 0.0%, 0.0% 358.5, 92.4%, 58.6%
HSV 0.0, 0.0%, 0.0% 358.5, 78.9%, 96.9%
CMYK 0%, 0%, 0%, 100% 0.0%, 78.9%, 76.9%, 3.1%
OKLCH 0.0 0.0 0.0 0.6362 0.2286 25.7

Contrast & Accessibility

5.51:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #F73439 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #F73439

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #F73439);
background: linear-gradient(135deg, #000000, #F73439);

Explore Each Color

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