black

#000000

#663D72

#663D72

Contrast Ratio

2.48:1

Delta E

48.85

Very Different

50:50 Mix

Color Values

Format #000000 #663D72
HEX #000000 #663D72
RGB 0, 0, 0 102, 61, 114
HSL 0.0, 0.0%, 0.0% 286.4, 30.3%, 34.3%
HSV 0.0, 0.0%, 0.0% 286.4, 46.5%, 44.7%
CMYK 0%, 0%, 0%, 100% 10.5%, 46.5%, 0.0%, 55.3%
OKLCH 0.0 0.0 0.0 0.4308 0.0971 318.3

Contrast & Accessibility

2.48:1
AA Fail AA Large Fail AAA Fail AAA Large Fail

Text Readability

The quick brown fox jumps over the lazy dog

Text: #663D72 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #663D72

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #663D72);
background: linear-gradient(135deg, #000000, #663D72);

Explore Each Color

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