black

#000000

#EF634F

#EF634F

Contrast Ratio

6.57:1

Delta E

88.57

Very Different

50:50 Mix

Color Values

Format #000000 #EF634F
HEX #000000 #EF634F
RGB 0, 0, 0 239, 99, 79
HSL 0.0, 0.0%, 0.0% 7.5, 83.3%, 62.4%
HSV 0.0, 0.0%, 0.0% 7.5, 66.9%, 93.7%
CMYK 0%, 0%, 0%, 100% 0.0%, 58.6%, 66.9%, 6.3%
OKLCH 0.0 0.0 0.0 0.6731 0.1769 30.5

Contrast & Accessibility

6.57:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #EF634F → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #EF634F

Color Difference (Delta E)

88.57 Very Different
0 — Identical 5 — Similar 25 — Noticeable 100 — Very Different

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #EF634F);
background: linear-gradient(135deg, #000000, #EF634F);

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