black

#000000

#F00307

#F00307

Contrast Ratio

4.72:1

Delta E

110.61

Very Different

50:50 Mix

Color Values

Format #000000 #F00307
HEX #000000 #F00307
RGB 0, 0, 0 240, 3, 7
HSL 0.0, 0.0%, 0.0% 359.0, 97.5%, 47.6%
HSV 0.0, 0.0%, 0.0% 359.0, 98.8%, 94.1%
CMYK 0%, 0%, 0%, 100% 0.0%, 98.8%, 97.1%, 5.9%
OKLCH 0.0 0.0 0.0 0.6005 0.2453 28.9

Contrast & Accessibility

4.72:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #F00307 β†’ Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 β†’ Background: #F00307

Color Difference (Delta E)

110.61 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, #F00307);
background: linear-gradient(135deg, #000000, #F00307);

Explore Each Color

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