black

#000000

#645DBA

#645DBA

Contrast Ratio

3.82:1

Delta E

71.04

Very Different

50:50 Mix

Color Values

Format #000000 #645DBA
HEX #000000 #645DBA
RGB 0, 0, 0 100, 93, 186
HSL 0.0, 0.0%, 0.0% 244.5, 40.3%, 54.7%
HSV 0.0, 0.0%, 0.0% 244.5, 50.0%, 72.9%
CMYK 0%, 0%, 0%, 100% 46.2%, 50.0%, 0.0%, 27.1%
OKLCH 0.0 0.0 0.0 0.5311 0.1417 283.9

Contrast & Accessibility

3.82:1
AA Fail AA Large Pass AAA Fail AAA Large Fail

Text Readability

The quick brown fox jumps over the lazy dog

Text: #645DBA → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #645DBA

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #645DBA);
background: linear-gradient(135deg, #000000, #645DBA);

Explore Each Color

Related Comparisons