indigo blue

American  

noun

1. indigo.

2. Also called indigo, indigotin.  a dark-blue, water-insoluble, crystalline powder, C 16 H 10 N 2 O 2 , having a bronzelike luster, the essential coloring principle of which is contained along with other substances in the dye indigo and which can be produced synthetically.

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indigo blue British  

noun

1. the full name for indigo indigo

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Other Word Forms

• indigo-blue
  adjective

Etymology

Origin of indigo blue

First recorded in 1705–15

Example Sentences

See Examples For:

indigo blue

Models showcased dresses in indigo blue, on a deep blue catwalk under the cavernous reinforced concrete dome of the futuristic building designed by Brazilian architect Oscar Niemeyer.

From Reuters ● Sep. 25, 2023

With cyanotypes, also called sun prints, your leaf makes a white silhouette on photo-chemical-treated paper or fabric that turns the deepest indigo blue.

From Seattle Times ● Sep. 15, 2023

Dressed for battle in chain mail and boots, Harris trails an indigo blue robe that dramatically flows behind her, as if she just strode into commanding view.

From Los Angeles Times ● Jul. 6, 2022

Leather skins lie on the roofs, drying in the sun and men expertly step in and out of the circular vats of dye: turmeric yellow, indigo blue and poppy red.

From The Guardian ● Apr. 28, 2019

The everlasting indigo blue of the ocean surrounded them day after day.

From "Copper Sun" by Sharon M. Draper