black

#000000

#646DB5

#646DB5

Contrast Ratio

4.4:1

Delta E

64.19

Very Different

50:50 Mix

Color Values

Format #000000 #646DB5
HEX #000000 #646DB5
RGB 0, 0, 0 100, 109, 181
HSL 0.0, 0.0%, 0.0% 233.3, 35.4%, 55.1%
HSV 0.0, 0.0%, 0.0% 233.3, 44.8%, 71.0%
CMYK 0%, 0%, 0%, 100% 44.8%, 39.8%, 0.0%, 29.0%
OKLCH 0.0 0.0 0.0 0.5597 0.1116 276.8

Contrast & Accessibility

4.4:1
AA Fail AA Large Pass AAA Fail AAA Large Fail

Text Readability

The quick brown fox jumps over the lazy dog

Text: #646DB5 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #646DB5

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #646DB5);
background: linear-gradient(135deg, #000000, #646DB5);

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