black

#000000

#663C70

#663C70

Contrast Ratio

2.45:1

Delta E

48.35

Very Different

50:50 Mix

Color Values

Format #000000 #663C70
HEX #000000 #663C70
RGB 0, 0, 0 102, 60, 112
HSL 0.0, 0.0%, 0.0% 288.5, 30.2%, 33.7%
HSV 0.0, 0.0%, 0.0% 288.5, 46.4%, 43.9%
CMYK 0%, 0%, 0%, 100% 8.9%, 46.4%, 0.0%, 56.1%
OKLCH 0.0 0.0 0.0 0.428 0.0966 319.7

Contrast & Accessibility

2.45:1
AA Fail AA Large Fail AAA Fail AAA Large Fail

Text Readability

The quick brown fox jumps over the lazy dog

Text: #663C70 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #663C70

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #663C70);
background: linear-gradient(135deg, #000000, #663C70);

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