black

#000000

#666EAF

#666EAF

Contrast Ratio

4.41:1

Delta E

61.64

Very Different

50:50 Mix

Color Values

Format #000000 #666EAF
HEX #000000 #666EAF
RGB 0, 0, 0 102, 110, 175
HSL 0.0, 0.0%, 0.0% 233.4, 31.3%, 54.3%
HSV 0.0, 0.0%, 0.0% 233.4, 41.7%, 68.6%
CMYK 0%, 0%, 0%, 100% 41.7%, 37.1%, 0.0%, 31.4%
OKLCH 0.0 0.0 0.0 0.5599 0.1009 277.3

Contrast & Accessibility

4.41:1
AA Fail AA Large Pass AAA Fail AAA Large Fail

Text Readability

The quick brown fox jumps over the lazy dog

Text: #666EAF → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #666EAF

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

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

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