black

#000000

#645BA6

#645BA6

Contrast Ratio

3.59:1

Delta E

62.22

Very Different

50:50 Mix

Color Values

Format #000000 #645BA6
HEX #000000 #645BA6
RGB 0, 0, 0 100, 91, 166
HSL 0.0, 0.0%, 0.0% 247.2, 29.6%, 50.4%
HSV 0.0, 0.0%, 0.0% 247.2, 45.2%, 65.1%
CMYK 0%, 0%, 0%, 100% 39.8%, 45.2%, 0.0%, 34.9%
OKLCH 0.0 0.0 0.0 0.5147 0.1161 287.1

Contrast & Accessibility

3.59:1
AA Fail AA Large Pass AAA Fail AAA Large Fail

Text Readability

The quick brown fox jumps over the lazy dog

Text: #645BA6 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #645BA6

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #645BA6);
background: linear-gradient(135deg, #000000, #645BA6);

Explore Each Color

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