black

#000000

#646BBC

#646BBC

Contrast Ratio

4.37:1

Delta E

67.68

Very Different

50:50 Mix

Color Values

Format #000000 #646BBC
HEX #000000 #646BBC
RGB 0, 0, 0 100, 107, 188
HSL 0.0, 0.0%, 0.0% 235.2, 39.6%, 56.5%
HSV 0.0, 0.0%, 0.0% 235.2, 46.8%, 73.7%
CMYK 0%, 0%, 0%, 100% 46.8%, 43.1%, 0.0%, 26.3%
OKLCH 0.0 0.0 0.0 0.5597 0.1246 277.8

Contrast & Accessibility

4.37:1
AA Fail AA Large Pass AAA Fail AAA Large Fail

Text Readability

The quick brown fox jumps over the lazy dog

Text: #646BBC → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #646BBC

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

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

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