black

#000000

#F53939

#F53939

Contrast Ratio

5.53:1

Delta E

99.34

Very Different

50:50 Mix

Color Values

Format #000000 #F53939
HEX #000000 #F53939
RGB 0, 0, 0 245, 57, 57
HSL 0.0, 0.0%, 0.0% 0.0, 90.4%, 59.2%
HSV 0.0, 0.0%, 0.0% 0.0, 76.7%, 96.1%
CMYK 0%, 0%, 0%, 100% 0.0%, 76.7%, 76.7%, 3.9%
OKLCH 0.0 0.0 0.0 0.6363 0.2234 26.3

Contrast & Accessibility

5.53:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #F53939 β†’ Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 β†’ Background: #F53939

Color Difference (Delta E)

99.34 Very Different
0 β€” Identical 5 β€” Similar 25 β€” Noticeable 100 β€” Very Different

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #F53939);
background: linear-gradient(135deg, #000000, #F53939);

Explore Each Color

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