black

#000000

#F51415

#F51415

Contrast Ratio

4.99:1

Delta E

109.75

Very Different

50:50 Mix

Color Values

Format #000000 #F51415
HEX #000000 #F51415
RGB 0, 0, 0 245, 20, 21
HSL 0.0, 0.0%, 0.0% 359.7, 91.8%, 52.0%
HSV 0.0, 0.0%, 0.0% 359.7, 91.8%, 96.1%
CMYK 0%, 0%, 0%, 100% 0.0%, 91.8%, 91.4%, 3.9%
OKLCH 0.0 0.0 0.0 0.6141 0.245 28.5

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: #F51415 β†’ Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 β†’ Background: #F51415

Color Difference (Delta E)

109.75 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, #F51415);
background: linear-gradient(135deg, #000000, #F51415);

Explore Each Color

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