What is what color is indigo?

Here's some information about the color indigo:

Indigo is a deep color close to blue on the color%20wheel. It is traditionally regarded as one of the seven colors of the visible%20spectrum. Indigo is positioned between violet and blue. It is often described as a dark blue-violet.

The name "indigo" comes from the indigo dye derived from the plant Indigofera tinctoria. This dye has been used for centuries to color textiles.

In terms of wavelength, indigo typically ranges from around 420 to 450 nanometers.