black

#000000

#EF1F22

#EF1F22

Contrast Ratio

4.89:1

Delta E

104.06

Very Different

50:50 Mix

Color Values

Format #000000 #EF1F22
HEX #000000 #EF1F22
RGB 0, 0, 0 239, 31, 34
HSL 0.0, 0.0%, 0.0% 359.1, 86.7%, 52.9%
HSV 0.0, 0.0%, 0.0% 359.1, 87.0%, 93.7%
CMYK 0%, 0%, 0%, 100% 0.0%, 87.0%, 85.8%, 6.3%
OKLCH 0.0 0.0 0.0 0.6078 0.2353 27.6

Contrast & Accessibility

4.89:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #EF1F22 β†’ Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 β†’ Background: #EF1F22

Color Difference (Delta E)

104.06 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, #EF1F22);
background: linear-gradient(135deg, #000000, #EF1F22);

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