black

#000000

#EF0B0D

#EF0B0D

Contrast Ratio

4.72:1

Delta E

109.13

Very Different

50:50 Mix

Color Values

Format #000000 #EF0B0D
HEX #000000 #EF0B0D
RGB 0, 0, 0 239, 11, 13
HSL 0.0, 0.0%, 0.0% 359.5, 91.2%, 49.0%
HSV 0.0, 0.0%, 0.0% 359.5, 95.4%, 93.7%
CMYK 0%, 0%, 0%, 100% 0.0%, 95.4%, 94.6%, 6.3%
OKLCH 0.0 0.0 0.0 0.6004 0.2428 28.8

Contrast & Accessibility

4.72:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #EF0B0D β†’ Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 β†’ Background: #EF0B0D

Color Difference (Delta E)

109.13 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, #EF0B0D);
background: linear-gradient(135deg, #000000, #EF0B0D);

Explore Each Color

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