Indigo #4B0082

Indigo dye comes from plants, mainly of the Indigofera genus, and the name traces back through Greek to a word meaning 'from India.' Dyers in India, Japan, West Africa, and elsewhere have produced deep blue indigo textiles for centuries, including Japanese aizome and Yoruba adire cloth. Blue jeans carry the tradition today.

Isaac Newton included indigo as one of the seven colors when he divided the spectrum, which is why rainbows are often taught as red, orange, yellow, green, blue, indigo, violet. Many modern color scientists fold it into blue or violet.

Symbolically, indigo is linked with depth, wisdom, and intuition. Some spiritual traditions tie it to the 'third eye.' It feels thoughtful and nocturnal, and it suits brands that want depth more than shine.

White, cream, and pale gold text read clearly on #4B0082, so it works as a header band, dark theme, or premium packaging color. Dark text is unusable on it. On dim or low-quality screens it can look almost black, so test it before relying on subtle details.

It fits astrology, meditation, publishing, and night-themed brands. In interiors, indigo textiles, rugs, and upholstery feel rich and calm. Pair it with warm metallics or burnt orange to keep it from feeling cold.