black

#000000

#EF3C3C

#EF3C3C

Contrast Ratio

5.38:1

Delta E

95.9

Very Different

50:50 Mix

Color Values

Format #000000 #EF3C3C
HEX #000000 #EF3C3C
RGB 0, 0, 0 239, 60, 60
HSL 0.0, 0.0%, 0.0% 0.0, 84.8%, 58.6%
HSV 0.0, 0.0%, 0.0% 0.0, 74.9%, 93.7%
CMYK 0%, 0%, 0%, 100% 0.0%, 74.9%, 74.9%, 6.3%
OKLCH 0.0 0.0 0.0 0.6288 0.2153 26.0

Contrast & Accessibility

5.38:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #EF3C3C β†’ Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 β†’ Background: #EF3C3C

Color Difference (Delta E)

95.9 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, #EF3C3C);
background: linear-gradient(135deg, #000000, #EF3C3C);

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