black

#000000

#663EAF

#663EAF

Contrast Ratio

2.87:1

Delta E

78.23

Very Different

50:50 Mix

Color Values

Format #000000 #663EAF
HEX #000000 #663EAF
RGB 0, 0, 0 102, 62, 175
HSL 0.0, 0.0%, 0.0% 261.2, 47.7%, 46.5%
HSV 0.0, 0.0%, 0.0% 261.2, 64.6%, 68.6%
CMYK 0%, 0%, 0%, 100% 41.7%, 64.6%, 0.0%, 31.4%
OKLCH 0.0 0.0 0.0 0.4726 0.1713 295.3

Contrast & Accessibility

2.87:1
AA Fail AA Large Fail AAA Fail AAA Large Fail

Text Readability

The quick brown fox jumps over the lazy dog

Text: #663EAF → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #663EAF

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

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

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