black

#000000

#644EFF

#644EFF

Contrast Ratio

4.08:1

Delta E

111.98

Very Different

50:50 Mix

Color Values

Format #000000 #644EFF
HEX #000000 #644EFF
RGB 0, 0, 0 100, 78, 255
HSL 0.0, 0.0%, 0.0% 247.5, 100.0%, 65.3%
HSV 0.0, 0.0%, 0.0% 247.5, 69.4%, 100.0%
CMYK 0%, 0%, 0%, 100% 60.8%, 69.4%, 0.0%, 0.0%
OKLCH 0.0 0.0 0.0 0.5602 0.2484 280.4

Contrast & Accessibility

4.08:1
AA Fail AA Large Pass AAA Fail AAA Large Fail

Text Readability

The quick brown fox jumps over the lazy dog

Text: #644EFF → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #644EFF

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

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

Explore Each Color

Related Comparisons