black

#000000

#EF1919

#EF1919

Contrast Ratio

4.82:1

Delta E

106.34

Very Different

50:50 Mix

Color Values

Format #000000 #EF1919
HEX #000000 #EF1919
RGB 0, 0, 0 239, 25, 25
HSL 0.0, 0.0%, 0.0% 0.0, 87.0%, 51.8%
HSV 0.0, 0.0%, 0.0% 0.0, 89.5%, 93.7%
CMYK 0%, 0%, 0%, 100% 0.0%, 89.5%, 89.5%, 6.3%
OKLCH 0.0 0.0 0.0 0.6048 0.2383 28.4

Contrast & Accessibility

4.82:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #EF1919 β†’ Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 β†’ Background: #EF1919

Color Difference (Delta E)

106.34 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, #EF1919);
background: linear-gradient(135deg, #000000, #EF1919);

Explore Each Color

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