black

#000000

#F31516

#F31516

Contrast Ratio

4.93:1

Delta E

108.74

Very Different

50:50 Mix

Color Values

Format #000000 #F31516
HEX #000000 #F31516
RGB 0, 0, 0 243, 21, 22
HSL 0.0, 0.0%, 0.0% 359.7, 90.2%, 51.8%
HSV 0.0, 0.0%, 0.0% 359.7, 91.4%, 95.3%
CMYK 0%, 0%, 0%, 100% 0.0%, 91.4%, 90.9%, 4.7%
OKLCH 0.0 0.0 0.0 0.6107 0.2431 28.5

Contrast & Accessibility

4.93:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #F31516 β†’ Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 β†’ Background: #F31516

Color Difference (Delta E)

108.74 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, #F31516);
background: linear-gradient(135deg, #000000, #F31516);

Explore Each Color

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