What is the meaning of Indigo?

A purplish-blue colour.

An indigo-colored dye obtained from certain plants (indigo plant or woad), or a similar synthetic dye.

An indigo plant, such as from species in genera Indigofera, Amorpha (false indigo), Baptisia (wild indigo), and Psorothamnus and Dalea (indigo bush).

having a deep purplish-blue colour

the colour indigo

indigo-coloured

indigo ("colour")

indigo (color)

indigo (plant of the genus Indigofera)

indigo (being of that color)

indigo (color)

indigo (being of that color)

first-person singular present indicative of indigere

indigo

indigo

indigo

Source: wiktionary.org