black

#000000

#E72428

#E72428

Contrast Ratio

4.68:1

Delta E

99.08

Very Different

50:50 Mix

Color Values

Format #000000 #E72428
HEX #000000 #E72428
RGB 0, 0, 0 231, 36, 40
HSL 0.0, 0.0%, 0.0% 358.8, 80.2%, 52.4%
HSV 0.0, 0.0%, 0.0% 358.8, 84.4%, 90.6%
CMYK 0%, 0%, 0%, 100% 0.0%, 84.4%, 82.7%, 9.4%
OKLCH 0.0 0.0 0.0 0.5961 0.2256 26.9

Contrast & Accessibility

4.68:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #E72428 β†’ Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 β†’ Background: #E72428

Color Difference (Delta E)

99.08 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, #E72428);
background: linear-gradient(135deg, #000000, #E72428);

Explore Each Color

Related Comparisons