black

#000000

#D73F3F

#D73F3F

Contrast Ratio

4.67:1

Delta E

84.76

Very Different

50:50 Mix

Color Values

Format #000000 #D73F3F
HEX #000000 #D73F3F
RGB 0, 0, 0 215, 63, 63
HSL 0.0, 0.0%, 0.0% 0.0, 65.5%, 54.5%
HSV 0.0, 0.0%, 0.0% 0.0, 70.7%, 84.3%
CMYK 0%, 0%, 0%, 100% 0.0%, 70.7%, 70.7%, 15.7%
OKLCH 0.0 0.0 0.0 0.5911 0.1891 25.1

Contrast & Accessibility

4.67:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #D73F3F → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #D73F3F

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #D73F3F);
background: linear-gradient(135deg, #000000, #D73F3F);

Explore Each Color

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