black

#000000

#643CDD

#643CDD

Contrast Ratio

3.23:1

Delta E

102.55

Very Different

50:50 Mix

Color Values

Format #000000 #643CDD
HEX #000000 #643CDD
RGB 0, 0, 0 100, 60, 221
HSL 0.0, 0.0%, 0.0% 254.9, 70.3%, 55.1%
HSV 0.0, 0.0%, 0.0% 254.9, 72.9%, 86.7%
CMYK 0%, 0%, 0%, 100% 54.8%, 72.9%, 0.0%, 13.3%
OKLCH 0.0 0.0 0.0 0.5064 0.2278 286.5

Contrast & Accessibility

3.23:1
AA Fail AA Large Pass AAA Fail AAA Large Fail

Text Readability

The quick brown fox jumps over the lazy dog

Text: #643CDD → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #643CDD

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

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

Explore Each Color

Related Comparisons