black

#000000

#664FD8

#664FD8

Contrast Ratio

3.67:1

Delta E

91.85

Very Different

50:50 Mix

Color Values

Format #000000 #664FD8
HEX #000000 #664FD8
RGB 0, 0, 0 102, 79, 216
HSL 0.0, 0.0%, 0.0% 250.1, 63.7%, 57.8%
HSV 0.0, 0.0%, 0.0% 250.1, 63.4%, 84.7%
CMYK 0%, 0%, 0%, 100% 52.8%, 63.4%, 0.0%, 15.3%
OKLCH 0.0 0.0 0.0 0.5304 0.2001 285.0

Contrast & Accessibility

3.67:1
AA Fail AA Large Pass AAA Fail AAA Large Fail

Text Readability

The quick brown fox jumps over the lazy dog

Text: #664FD8 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #664FD8

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #664FD8);
background: linear-gradient(135deg, #000000, #664FD8);

Explore Each Color

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