Indigo and Navy blue

Indigo

Indigo noun - Deciduous subshrub of southeastern Asia having pinnate leaves and clusters of red or purple flowers; a source of indigo dye.
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Synonyms for Indigo

Navy blue and indigo are semantically related. In some cases you can use "Navy blue" instead a noun "Indigo".

Navy blue

Navy blue noun - A dark shade of blue.
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Synonyms for Navy blue

Indigo and navy blue are semantically related. You can use "Indigo" instead a noun phrase "Navy blue".
Cite this Source
Navy blue and Indigo. (2016). Retrieved 2026, July 28, from https://thesaurus.plus/related/indigo/navy_blue
Indigo & Navy blue. N.p., 2016. Web. 28 Jul. 2026. <https://thesaurus.plus/related/indigo/navy_blue>.
Navy blue or Indigo. 2016. Accessed July 28, 2026. https://thesaurus.plus/related/indigo/navy_blue.
Google Ngram Viewer shows how "indigo" and "navy blue" have occurred on timeline