black

#000000

#EF3330

#EF3330

Contrast Ratio

5.19:1

Delta E

99.34

Very Different

50:50 Mix

Color Values

Format #000000 #EF3330
HEX #000000 #EF3330
RGB 0, 0, 0 239, 51, 48
HSL 0.0, 0.0%, 0.0% 0.9, 85.7%, 56.3%
HSV 0.0, 0.0%, 0.0% 0.9, 79.9%, 93.7%
CMYK 0%, 0%, 0%, 100% 0.0%, 78.7%, 79.9%, 6.3%
OKLCH 0.0 0.0 0.0 0.6205 0.2231 27.3

Contrast & Accessibility

5.19:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #EF3330 β†’ Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 β†’ Background: #EF3330

Color Difference (Delta E)

99.34 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, #EF3330);
background: linear-gradient(135deg, #000000, #EF3330);

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