black

#000000

#666EC4

#666EC4

Contrast Ratio

4.59:1

Delta E

70.52

Very Different

50:50 Mix

Color Values

Format #000000 #666EC4
HEX #000000 #666EC4
RGB 0, 0, 0 102, 110, 196
HSL 0.0, 0.0%, 0.0% 234.9, 44.3%, 58.4%
HSV 0.0, 0.0%, 0.0% 234.9, 48.0%, 76.9%
CMYK 0%, 0%, 0%, 100% 48.0%, 43.9%, 0.0%, 23.1%
OKLCH 0.0 0.0 0.0 0.5719 0.1315 277.4

Contrast & Accessibility

4.59:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #666EC4 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #666EC4

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #666EC4);
background: linear-gradient(135deg, #000000, #666EC4);

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