Indigo in a sentence as a noun

Blink was my favorite indigo child of tags.

Indigo definitions

noun

a blue dye obtained from plants or made synthetically

See also: anil indigotin

noun

deciduous subshrub of southeastern Asia having pinnate leaves and clusters of red or purple flowers; a source of indigo dye

noun

a blue-violet color

adjective

having a color between blue and violet; "indigo flowers"