black

#000000

#D63F3B

#D63F3B

Contrast Ratio

4.63:1

Delta E

85.11

Very Different

50:50 Mix

Color Values

Format #000000 #D63F3B
HEX #000000 #D63F3B
RGB 0, 0, 0 214, 63, 59
HSL 0.0, 0.0%, 0.0% 1.5, 65.4%, 53.5%
HSV 0.0, 0.0%, 0.0% 1.5, 72.4%, 83.9%
CMYK 0%, 0%, 0%, 100% 0.0%, 70.6%, 72.4%, 16.1%
OKLCH 0.0 0.0 0.0 0.5889 0.1886 26.4

Contrast & Accessibility

4.63:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #D63F3B → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #D63F3B

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #D63F3B);
background: linear-gradient(135deg, #000000, #D63F3B);

Explore Each Color

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