black

#000000

#F23737

#F23737

Contrast Ratio

5.38:1

Delta E

98.7

Very Different

50:50 Mix

Color Values

Format #000000 #F23737
HEX #000000 #F23737
RGB 0, 0, 0 242, 55, 55
HSL 0.0, 0.0%, 0.0% 0.0, 87.8%, 58.2%
HSV 0.0, 0.0%, 0.0% 0.0, 77.3%, 94.9%
CMYK 0%, 0%, 0%, 100% 0.0%, 77.3%, 77.3%, 5.1%
OKLCH 0.0 0.0 0.0 0.6294 0.2223 26.4

Contrast & Accessibility

5.38:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #F23737 β†’ Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 β†’ Background: #F23737

Color Difference (Delta E)

98.7 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, #F23737);
background: linear-gradient(135deg, #000000, #F23737);

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