black

#000000

#644AA0

#644AA0

Contrast Ratio

3.03:1

Delta E

65.38

Very Different

50:50 Mix

Color Values

Format #000000 #644AA0
HEX #000000 #644AA0
RGB 0, 0, 0 100, 74, 160
HSL 0.0, 0.0%, 0.0% 258.1, 36.8%, 45.9%
HSV 0.0, 0.0%, 0.0% 258.1, 53.8%, 62.7%
CMYK 0%, 0%, 0%, 100% 37.5%, 53.7%, 0.0%, 37.3%
OKLCH 0.0 0.0 0.0 0.4793 0.1342 294.8

Contrast & Accessibility

3.03:1
AA Fail AA Large Pass AAA Fail AAA Large Fail

Text Readability

The quick brown fox jumps over the lazy dog

Text: #644AA0 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #644AA0

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #644AA0);
background: linear-gradient(135deg, #000000, #644AA0);

Explore Each Color

Related Comparisons