black

#000000

#663EB3

#663EB3

Contrast Ratio

2.9:1

Delta E

80.28

Very Different

50:50 Mix

Color Values

Format #000000 #663EB3
HEX #000000 #663EB3
RGB 0, 0, 0 102, 62, 179
HSL 0.0, 0.0%, 0.0% 260.5, 48.5%, 47.3%
HSV 0.0, 0.0%, 0.0% 260.5, 65.4%, 70.2%
CMYK 0%, 0%, 0%, 100% 43.0%, 65.4%, 0.0%, 29.8%
OKLCH 0.0 0.0 0.0 0.4757 0.1762 294.5

Contrast & Accessibility

2.9:1
AA Fail AA Large Fail AAA Fail AAA Large Fail

Text Readability

The quick brown fox jumps over the lazy dog

Text: #663EB3 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #663EB3

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #663EB3);
background: linear-gradient(135deg, #000000, #663EB3);

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