indigo blue

noun

The synthetic dye indigotin used to replace natural indigo.

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Meanings

nounindigo blue (uncountable)
  1. uncountablechemistryThe synthetic dye indigotin used to replace natural indigo.
  2. uncountableA blue violet color.
adjectiveindigo blue (comparative more indigo blue, superlative most indigo blue)

comparative more indigo blue · superlative most indigo blue

  1. Of or pertaining to this color.
Cite this entry
APA

indigo blue. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/indigo%20blue

MLA

“indigo blue.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/indigo%20blue. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “indigo blue,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/indigo%20blue.

Source: indigo blue on Wiktionary, CC BY-SA 4.0.