indigos

/IH1 N D AH0 G OW0 Z/
noun
  1. 1

    A purplish-blue colour

  2. 2

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

  3. 3

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

Source: https://en.wiktionary.org/wiki/indigo, https://en.wiktionary.org/wiki/indigos