black

#000000

#A73F37

#A73F37

Contrast Ratio

3.41:1

Delta E

65.13

Very Different

50:50 Mix

Color Values

Format #000000 #A73F37
HEX #000000 #A73F37
RGB 0, 0, 0 167, 63, 55
HSL 0.0, 0.0%, 0.0% 4.3, 50.5%, 43.5%
HSV 0.0, 0.0%, 0.0% 4.3, 67.1%, 65.5%
CMYK 0%, 0%, 0%, 100% 0.0%, 62.3%, 67.1%, 34.5%
OKLCH 0.0 0.0 0.0 0.5101 0.1389 27.4

Contrast & Accessibility

3.41:1
AA Fail AA Large Pass AAA Fail AAA Large Fail

Text Readability

The quick brown fox jumps over the lazy dog

Text: #A73F37 β†’ Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 β†’ Background: #A73F37

Color Difference (Delta E)

65.13 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, #A73F37);
background: linear-gradient(135deg, #000000, #A73F37);

Explore Each Color

Related Comparisons