black

#000000

#643FB5

#643FB5

Contrast Ratio

2.92:1

Delta E

80.81

Very Different

50:50 Mix

Color Values

Format #000000 #643FB5
HEX #000000 #643FB5
RGB 0, 0, 0 100, 63, 181
HSL 0.0, 0.0%, 0.0% 258.8, 48.4%, 47.8%
HSV 0.0, 0.0%, 0.0% 258.8, 65.2%, 71.0%
CMYK 0%, 0%, 0%, 100% 44.8%, 65.2%, 0.0%, 29.0%
OKLCH 0.0 0.0 0.0 0.4767 0.1772 292.9

Contrast & Accessibility

2.92:1
AA Fail AA Large Fail AAA Fail AAA Large Fail

Text Readability

The quick brown fox jumps over the lazy dog

Text: #643FB5 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #643FB5

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #643FB5);
background: linear-gradient(135deg, #000000, #643FB5);

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