black

#000000

#643CB1

#643CB1

Contrast Ratio

2.82:1

Delta E

80.06

Very Different

50:50 Mix

Color Values

Format #000000 #643CB1
HEX #000000 #643CB1
RGB 0, 0, 0 100, 60, 177
HSL 0.0, 0.0%, 0.0% 260.5, 49.4%, 46.5%
HSV 0.0, 0.0%, 0.0% 260.5, 66.1%, 69.4%
CMYK 0%, 0%, 0%, 100% 43.5%, 66.1%, 0.0%, 30.6%
OKLCH 0.0 0.0 0.0 0.4691 0.1763 294.3

Contrast & Accessibility

2.82:1
AA Fail AA Large Fail AAA Fail AAA Large Fail

Text Readability

The quick brown fox jumps over the lazy dog

Text: #643CB1 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #643CB1

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #643CB1);
background: linear-gradient(135deg, #000000, #643CB1);

Explore Each Color

Related Comparisons