black

#000000

#644BC1

#644BC1

Contrast Ratio

3.32:1

Delta E

81.76

Very Different

50:50 Mix

Color Values

Format #000000 #644BC1
HEX #000000 #644BC1
RGB 0, 0, 0 100, 75, 193
HSL 0.0, 0.0%, 0.0% 252.7, 48.8%, 52.5%
HSV 0.0, 0.0%, 0.0% 252.7, 61.1%, 75.7%
CMYK 0%, 0%, 0%, 100% 48.2%, 61.1%, 0.0%, 24.3%
OKLCH 0.0 0.0 0.0 0.5045 0.1763 288.1

Contrast & Accessibility

3.32:1
AA Fail AA Large Pass AAA Fail AAA Large Fail

Text Readability

The quick brown fox jumps over the lazy dog

Text: #644BC1 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #644BC1

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #644BC1);
background: linear-gradient(135deg, #000000, #644BC1);

Explore Each Color

Related Comparisons