black

#000000

#F43738

#F43738

Contrast Ratio

5.45:1

Delta E

99.33

Very Different

50:50 Mix

Color Values

Format #000000 #F43738
HEX #000000 #F43738
RGB 0, 0, 0 244, 55, 56
HSL 0.0, 0.0%, 0.0% 359.7, 89.6%, 58.6%
HSV 0.0, 0.0%, 0.0% 359.7, 77.5%, 95.7%
CMYK 0%, 0%, 0%, 100% 0.0%, 77.5%, 77.0%, 4.3%
OKLCH 0.0 0.0 0.0 0.633 0.224 26.2

Contrast & Accessibility

5.45:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #F43738 β†’ Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 β†’ Background: #F43738

Color Difference (Delta E)

99.33 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, #F43738);
background: linear-gradient(135deg, #000000, #F43738);

Explore Each Color

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