black

#000000

#644CAC

#644CAC

Contrast Ratio

3.17:1

Delta E

70.6

Very Different

50:50 Mix

Color Values

Format #000000 #644CAC
HEX #000000 #644CAC
RGB 0, 0, 0 100, 76, 172
HSL 0.0, 0.0%, 0.0% 255.0, 38.7%, 48.6%
HSV 0.0, 0.0%, 0.0% 255.0, 55.8%, 67.5%
CMYK 0%, 0%, 0%, 100% 41.9%, 55.8%, 0.0%, 32.5%
OKLCH 0.0 0.0 0.0 0.4909 0.1474 291.5

Contrast & Accessibility

3.17:1
AA Fail AA Large Pass AAA Fail AAA Large Fail

Text Readability

The quick brown fox jumps over the lazy dog

Text: #644CAC → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #644CAC

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

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

Explore Each Color

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