53 Shades of Indigo Color

Indigo occupies the deep gap between blue and purple, named after the plant-based dye that colored textiles long before synthetic chemistry existed. Dark, saturated, and carrying a depth navy just cannot reach.This guide maps the full indigo spectrum from medium blue-indigo to near-black. Gold against indigo works. Coral against indigo works too. It is the color of sky at the exact moment day turns to night.

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#002e51

Indigo Black Color
One step darker than navy and one step warmer than black, Indigo Black is the ocean at night with a moon behind cloud. It substitutes for black in most layouts. Dramatic interiors and formal packaging suit it.
#535a7c

Blue Indigo Color
Well-worn denim gone dark, a greyed indigo. Blue Indigo color (#535a7c) makes a moody bedroom wall or a strong cabinet color. Brass and cream lighten it.
#3a18b1

Indigo Blue Color
Indigo Blue color (#3a18b1) is a saturated blue-violet, far purpler than cloth dyed with real indigo, which lands closer to navy. Call it electric ultraviolet and it makes more sense, since the swatch glows on screens far more than any vat-dyed denim could.
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Indigo White Color
Pale off-white with a faint cool cyan-blue breath, fresh and airy. Indigo white color (#ebf6f7) lands clean and cool. Coastal and minimal design find natural use for it.
#4b0082

Indigo Color
The color of a fresh bruise, or the sky right after sunset. Indigo (#4b0082) sits between blue and violet on the visible spectrum, and it was famously added to the rainbow by Isaac Newton to bring the total up to seven. Historically dye-worthy, still striking in modern textiles.
#695a78

Indigo Red Color
Mix indigo and red on a palette and you get purple, which is roughly what happened here. Indigo Red color (#695a78) is a dusty grey-violet with blue at 120 leading red at 105. It’s quieter than CSS rebeccapurple (#663399) and looks like storm clouds at dusk over a lavender field.
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Indigo Navy Blue Color
Indigo navy blue is a soft, dusty blue with a violet undertone, muted like faded denim. Calm and dependable, the indigo navy blue color makes a restful, trustworthy base for a header or interface.