Complementary
Maximum contrast — logos, CTAs, bold pairs
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Purples
Insomnia
Psychology
Its somber depth evokes a sense of quiet unease and introspection, suggesting the profound quiet of a sleepless night.
History & Origin
Very dark blues, often achieved with indigo or Prussian blue, were used in Romantic art to depict night scenes and evoke melancholic moods.
Combinations
Harmonious pairings from this color. Click any swatch to copy.
Values & Conversions
Copy any format — sRGB, print, and perceptual OKLCH.
CSS
Accessibility
WCAG 2.2 contrast for the pairings designers use most.
Recommended
Readable body text at this size.
20.03:1AAA
Use white text for body copy, labels, and controls.
✓ Small text✓ Large text
All pairings
Aa
White on color
20.03:1AAA
Aa
Black on color
1.05:1Fail
Aa
Color on white
20.03:1AAA
Aa
Color on black
1.05:1Fail
Variations
Shades, tints, and tones in 10% steps — built for real UI states.
Darker steps for hover, shadow, and pressed states.
Design token scale
50–950 ramp for systems workColor vision
How this color reads under common forms of color vision deficiency.
Similar colors
Perceptually closest named colors in the library.