black

#000000

#F31C1C

#F31C1C

Contrast Ratio

4.99:1

Delta E

107.16

Very Different

50:50 Mix

Color Values

Format #000000 #F31C1C
HEX #000000 #F31C1C
RGB 0, 0, 0 243, 28, 28
HSL 0.0, 0.0%, 0.0% 0.0, 90.0%, 53.1%
HSV 0.0, 0.0%, 0.0% 0.0, 88.5%, 95.3%
CMYK 0%, 0%, 0%, 100% 0.0%, 88.5%, 88.5%, 4.7%
OKLCH 0.0 0.0 0.0 0.6135 0.2403 28.2

Contrast & Accessibility

4.99:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #F31C1C β†’ Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 β†’ Background: #F31C1C

Color Difference (Delta E)

107.16 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, #F31C1C);
background: linear-gradient(135deg, #000000, #F31C1C);

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