Indigo comes from the name of the deep blue-purple dye, ultimately from a Greek term meaning "from India."
Indigo comes first from color, and the color’s name comes through Greek and Latin from the idea of “Indian,” since the deep blue dye was historically imported from India into the Mediterranean world. The plant most famously associated with the dye, Indigofera tinctoria, made indigo one of the great trade colors of the premodern and early modern world. As a given name, then, Indigo belongs to a modern class of word-names drawn from nature, color, and atmosphere, but it carries unusually old commercial and cultural history beneath its contemporary sheen.
The associations around Indigo are rich and layered. The dye has connections to global trade, colonial economies, textile history, and craft traditions from South Asia to West Africa and the Americas. In literature and popular imagination, indigo suggests depth, twilight, intuition, and a point between blue and violet that feels almost symbolic.
The name also gained visibility through late twentieth-century New Age language around “indigo children,” which gave it a spiritual, unconventional, and introspective aura, even for people who do not take that concept literally. As a personal name, Indigo is relatively recent and distinctly modern in feel. It began to attract attention in English-speaking countries as parents grew more open to nontraditional names, color names, and gender-flexible choices.
Unlike Rose or Violet, which entered naming long ago through flowers, Indigo arrived with a consciously artistic edge. Today it can read as bohemian, literary, or quietly cosmopolitan. Its appeal lies in contrast: ancient trade route, modern sensibility; vivid color, soft sound; rarity, but instant recognizability.