black

#000000

#C31B15

#C31B15

Contrast Ratio

3.49:1

Delta E

88.98

Very Different

50:50 Mix

Color Values

Format #000000 #C31B15
HEX #000000 #C31B15
RGB 0, 0, 0 195, 27, 21
HSL 0.0, 0.0%, 0.0% 2.1, 80.6%, 42.4%
HSV 0.0, 0.0%, 0.0% 2.1, 89.2%, 76.5%
CMYK 0%, 0%, 0%, 100% 0.0%, 86.2%, 89.2%, 23.5%
OKLCH 0.0 0.0 0.0 0.5233 0.2006 28.8

Contrast & Accessibility

3.49:1
AA Fail AA Large Pass AAA Fail AAA Large Fail

Text Readability

The quick brown fox jumps over the lazy dog

Text: #C31B15 β†’ Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 β†’ Background: #C31B15

Color Difference (Delta E)

88.98 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, #C31B15);
background: linear-gradient(135deg, #000000, #C31B15);

Explore Each Color

Related Comparisons