black

#000000

#663EB4

#663EB4

Contrast Ratio

2.91:1

Delta E

80.8

Very Different

50:50 Mix

Color Values

Format #000000 #663EB4
HEX #000000 #663EB4
RGB 0, 0, 0 102, 62, 180
HSL 0.0, 0.0%, 0.0% 260.3, 48.8%, 47.5%
HSV 0.0, 0.0%, 0.0% 260.3, 65.6%, 70.6%
CMYK 0%, 0%, 0%, 100% 43.3%, 65.6%, 0.0%, 29.4%
OKLCH 0.0 0.0 0.0 0.4764 0.1774 294.2

Contrast & Accessibility

2.91:1
AA Fail AA Large Fail AAA Fail AAA Large Fail

Text Readability

The quick brown fox jumps over the lazy dog

Text: #663EB4 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #663EB4

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #663EB4);
background: linear-gradient(135deg, #000000, #663EB4);

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