black

#000000

#EF5553

#EF5553

Contrast Ratio

6.09:1

Delta E

89.04

Very Different

50:50 Mix

Color Values

Format #000000 #EF5553
HEX #000000 #EF5553
RGB 0, 0, 0 239, 85, 83
HSL 0.0, 0.0%, 0.0% 0.8, 83.0%, 63.1%
HSV 0.0, 0.0%, 0.0% 0.8, 65.3%, 93.7%
CMYK 0%, 0%, 0%, 100% 0.0%, 64.4%, 65.3%, 6.3%
OKLCH 0.0 0.0 0.0 0.6566 0.1902 24.7

Contrast & Accessibility

6.09:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #EF5553 β†’ Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 β†’ Background: #EF5553

Color Difference (Delta E)

89.04 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, #EF5553);
background: linear-gradient(135deg, #000000, #EF5553);

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