black

#000000

#663AC9

#663AC9

Contrast Ratio

3.01:1

Delta E

93.26

Very Different

50:50 Mix

Color Values

Format #000000 #663AC9
HEX #000000 #663AC9
RGB 0, 0, 0 102, 58, 201
HSL 0.0, 0.0%, 0.0% 258.5, 57.0%, 50.8%
HSV 0.0, 0.0%, 0.0% 258.5, 71.1%, 78.8%
CMYK 0%, 0%, 0%, 100% 49.3%, 71.1%, 0.0%, 21.2%
OKLCH 0.0 0.0 0.0 0.4882 0.207 290.8

Contrast & Accessibility

3.01:1
AA Fail AA Large Pass AAA Fail AAA Large Fail

Text Readability

The quick brown fox jumps over the lazy dog

Text: #663AC9 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #663AC9

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #663AC9);
background: linear-gradient(135deg, #000000, #663AC9);

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