black

#000000

#644EA6

#644EA6

Contrast Ratio

3.18:1

Delta E

66.79

Very Different

50:50 Mix

Color Values

Format #000000 #644EA6
HEX #000000 #644EA6
RGB 0, 0, 0 100, 78, 166
HSL 0.0, 0.0%, 0.0% 255.0, 36.1%, 47.8%
HSV 0.0, 0.0%, 0.0% 255.0, 53.0%, 65.1%
CMYK 0%, 0%, 0%, 100% 39.8%, 53.0%, 0.0%, 34.9%
OKLCH 0.0 0.0 0.0 0.4904 0.1362 292.1

Contrast & Accessibility

3.18:1
AA Fail AA Large Pass AAA Fail AAA Large Fail

Text Readability

The quick brown fox jumps over the lazy dog

Text: #644EA6 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #644EA6

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #644EA6);
background: linear-gradient(135deg, #000000, #644EA6);

Explore Each Color

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