black

#000000

#666CCF

#666CCF

Contrast Ratio

4.61:1

Delta E

76.11

Very Different

50:50 Mix

Color Values

Format #000000 #666CCF
HEX #000000 #666CCF
RGB 0, 0, 0 102, 108, 207
HSL 0.0, 0.0%, 0.0% 236.6, 52.2%, 60.6%
HSV 0.0, 0.0%, 0.0% 236.6, 50.7%, 81.2%
CMYK 0%, 0%, 0%, 100% 50.7%, 47.8%, 0.0%, 18.8%
OKLCH 0.0 0.0 0.0 0.5748 0.1499 278.0

Contrast & Accessibility

4.61:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #666CCF → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #666CCF

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #666CCF);
background: linear-gradient(135deg, #000000, #666CCF);

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