black

#000000

#A51513

#A51513

Contrast Ratio

2.72:1

Delta E

77.04

Very Different

50:50 Mix

Color Values

Format #000000 #A51513
HEX #000000 #A51513
RGB 0, 0, 0 165, 21, 19
HSL 0.0, 0.0%, 0.0% 0.8, 79.3%, 36.1%
HSV 0.0, 0.0%, 0.0% 0.8, 88.5%, 64.7%
CMYK 0%, 0%, 0%, 100% 0.0%, 87.3%, 88.5%, 35.3%
OKLCH 0.0 0.0 0.0 0.4624 0.177 28.2

Contrast & Accessibility

2.72:1
AA Fail AA Large Fail AAA Fail AAA Large Fail

Text Readability

The quick brown fox jumps over the lazy dog

Text: #A51513 β†’ Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 β†’ Background: #A51513

Color Difference (Delta E)

77.04 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, #A51513);
background: linear-gradient(135deg, #000000, #A51513);

Explore Each Color

Related Comparisons