black

#000000

#EF5545

#EF5545

Contrast Ratio

6.06:1

Delta E

91.61

Very Different

50:50 Mix

Color Values

Format #000000 #EF5545
HEX #000000 #EF5545
RGB 0, 0, 0 239, 85, 69
HSL 0.0, 0.0%, 0.0% 5.6, 84.2%, 60.4%
HSV 0.0, 0.0%, 0.0% 5.6, 71.1%, 93.7%
CMYK 0%, 0%, 0%, 100% 0.0%, 64.4%, 71.1%, 6.3%
OKLCH 0.0 0.0 0.0 0.6546 0.1924 29.2

Contrast & Accessibility

6.06:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #EF5545 β†’ Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 β†’ Background: #EF5545

Color Difference (Delta E)

91.61 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, #EF5545);
background: linear-gradient(135deg, #000000, #EF5545);

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