black

#000000

#EF4B4D

#EF4B4D

Contrast Ratio

5.78:1

Delta E

91.1

Very Different

50:50 Mix

Color Values

Format #000000 #EF4B4D
HEX #000000 #EF4B4D
RGB 0, 0, 0 239, 75, 77
HSL 0.0, 0.0%, 0.0% 359.3, 83.7%, 61.6%
HSV 0.0, 0.0%, 0.0% 359.3, 68.6%, 93.7%
CMYK 0%, 0%, 0%, 100% 0.0%, 68.6%, 67.8%, 6.3%
OKLCH 0.0 0.0 0.0 0.6449 0.2006 24.1

Contrast & Accessibility

5.78:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #EF4B4D β†’ Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 β†’ Background: #EF4B4D

Color Difference (Delta E)

91.1 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, #EF4B4D);
background: linear-gradient(135deg, #000000, #EF4B4D);

Explore Each Color

Related Comparisons