black

#000000

#D73928

#D73928

Contrast Ratio

4.51:1

Delta E

90.37

Very Different

50:50 Mix

Color Values

Format #000000 #D73928
HEX #000000 #D73928
RGB 0, 0, 0 215, 57, 40
HSL 0.0, 0.0%, 0.0% 5.8, 68.6%, 50.0%
HSV 0.0, 0.0%, 0.0% 5.8, 81.4%, 84.3%
CMYK 0%, 0%, 0%, 100% 0.0%, 73.5%, 81.4%, 15.7%
OKLCH 0.0 0.0 0.0 0.5828 0.1973 30.1

Contrast & Accessibility

4.51:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #D73928 β†’ Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 β†’ Background: #D73928

Color Difference (Delta E)

90.37 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, #D73928);
background: linear-gradient(135deg, #000000, #D73928);

Explore Each Color

Related Comparisons