black

#000000

#644EA5

#644EA5

Contrast Ratio

3.17:1

Delta E

66.29

Very Different

50:50 Mix

Color Values

Format #000000 #644EA5
HEX #000000 #644EA5
RGB 0, 0, 0 100, 78, 165
HSL 0.0, 0.0%, 0.0% 255.2, 35.8%, 47.6%
HSV 0.0, 0.0%, 0.0% 255.2, 52.7%, 64.7%
CMYK 0%, 0%, 0%, 100% 39.4%, 52.7%, 0.0%, 35.3%
OKLCH 0.0 0.0 0.0 0.4897 0.1348 292.3

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: #644EA5 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #644EA5

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #644EA5);
background: linear-gradient(135deg, #000000, #644EA5);

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