Definition

A deep blue-violet color that sits between blue and violet on the visible light spectrum, historically one of the seven traditional colors of the rainbow. It can also refer to indigo dye, a natural pigment extracted from plants that has been used for textile dyeing for thousands of years.

Example Usage

She wore an indigo dress that reminded him of twilight skies.

Origin

From Spanish 'Γ­ndigo,' derived from Latin 'indicum' (Indian), referencing its origin in India and the East Indies.

Fun Fact

Indigo dye was so valuable in colonial times that it became a major commodity driving global trade and slavery; it remains one of the most important dyes in the textile industry.

Source: Definition backfill (hailey)