black

#000000

#643F9C

#643F9C

Contrast Ratio

2.73:1

Delta E

67.95

Very Different

50:50 Mix

Color Values

Format #000000 #643F9C
HEX #000000 #643F9C
RGB 0, 0, 0 100, 63, 156
HSL 0.0, 0.0%, 0.0% 263.9, 42.5%, 42.9%
HSV 0.0, 0.0%, 0.0% 263.9, 59.6%, 61.2%
CMYK 0%, 0%, 0%, 100% 35.9%, 59.6%, 0.0%, 38.8%
OKLCH 0.0 0.0 0.0 0.458 0.146 298.9

Contrast & Accessibility

2.73:1
AA Fail AA Large Fail AAA Fail AAA Large Fail

Text Readability

The quick brown fox jumps over the lazy dog

Text: #643F9C → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #643F9C

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #643F9C);
background: linear-gradient(135deg, #000000, #643F9C);

Explore Each Color

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