black

#000000

#644FF9

#644FF9

Contrast Ratio

4.03:1

Delta E

108.55

Very Different

50:50 Mix

Color Values

Format #000000 #644FF9
HEX #000000 #644FF9
RGB 0, 0, 0 100, 79, 249
HSL 0.0, 0.0%, 0.0% 247.4, 93.4%, 64.3%
HSV 0.0, 0.0%, 0.0% 247.4, 68.3%, 97.6%
CMYK 0%, 0%, 0%, 100% 59.8%, 68.3%, 0.0%, 2.4%
OKLCH 0.0 0.0 0.0 0.5563 0.2404 280.8

Contrast & Accessibility

4.03:1
AA Fail AA Large Pass AAA Fail AAA Large Fail

Text Readability

The quick brown fox jumps over the lazy dog

Text: #644FF9 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #644FF9

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #644FF9);
background: linear-gradient(135deg, #000000, #644FF9);

Explore Each Color

Related Comparisons