black

#000000

#645CCA

#645CCA

Contrast Ratio

3.93:1

Delta E

79.28

Very Different

50:50 Mix

Color Values

Format #000000 #645CCA
HEX #000000 #645CCA
RGB 0, 0, 0 100, 92, 202
HSL 0.0, 0.0%, 0.0% 244.4, 50.9%, 57.6%
HSV 0.0, 0.0%, 0.0% 244.4, 54.5%, 79.2%
CMYK 0%, 0%, 0%, 100% 50.5%, 54.5%, 0.0%, 20.8%
OKLCH 0.0 0.0 0.0 0.5401 0.1652 282.6

Contrast & Accessibility

3.93:1
AA Fail AA Large Pass AAA Fail AAA Large Fail

Text Readability

The quick brown fox jumps over the lazy dog

Text: #645CCA → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #645CCA

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

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

Explore Each Color

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