black

#000000

#643EB2

#643EB2

Contrast Ratio

2.87:1

Delta E

79.7

Very Different

50:50 Mix

Color Values

Format #000000 #643EB2
HEX #000000 #643EB2
RGB 0, 0, 0 100, 62, 178
HSL 0.0, 0.0%, 0.0% 259.7, 48.3%, 47.1%
HSV 0.0, 0.0%, 0.0% 259.7, 65.2%, 69.8%
CMYK 0%, 0%, 0%, 100% 43.8%, 65.2%, 0.0%, 30.2%
OKLCH 0.0 0.0 0.0 0.4728 0.1749 293.7

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: #643EB2 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #643EB2

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #643EB2);
background: linear-gradient(135deg, #000000, #643EB2);

Explore Each Color

Related Comparisons