black

#000000

#664EC3

#664EC3

Contrast Ratio

3.44:1

Delta E

81.55

Very Different

50:50 Mix

Color Values

Format #000000 #664EC3
HEX #000000 #664EC3
RGB 0, 0, 0 102, 78, 195
HSL 0.0, 0.0%, 0.0% 252.3, 49.4%, 53.5%
HSV 0.0, 0.0%, 0.0% 252.3, 60.0%, 76.5%
CMYK 0%, 0%, 0%, 100% 47.7%, 60.0%, 0.0%, 23.5%
OKLCH 0.0 0.0 0.0 0.5127 0.1748 288.1

Contrast & Accessibility

3.44:1
AA Fail AA Large Pass AAA Fail AAA Large Fail

Text Readability

The quick brown fox jumps over the lazy dog

Text: #664EC3 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #664EC3

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #664EC3);
background: linear-gradient(135deg, #000000, #664EC3);

Explore Each Color

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