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Indigo dye is the basis for all the historical navy blue colors, since in the 18th, 19th, and early 20th century, almost all navy uniforms were made by dyeing them with various shades of indigo dye. Navy blue (Crayola)
Indigo dye is an organic compound with a distinctive blue color. Indigo is a natural dye extracted from the leaves of some plants of the Indigofera genus, in particular Indigofera tinctoria . Dye-bearing Indigofera plants were commonly grown and used throughout the world, particularly in Asia, with the production of indigo dyestuff economically ...
Navy blue is a shade of the standard (h = 240°) blue. Navy blue got its name from the dark blue (contrasted with white) worn by sailors in the Royal Navy since 1748 (originally called marine blue before 1840) and subsequently adopted by other navies around the world. The first recorded use of navy blue as a color name in English was in 1840. [24]
The overall blue color of the discontinued NWU Type I, according to the U.S. Navy, was intended to reflect the U.S. Navy's heritage and connection to seaborne operations. The colors were also chosen to match the most commonly used paint colors aboard ship, extending the lifetime of the uniform on long deployments where uniforms often come into ...
In 1748, the Royal Navy adopted a dark shade of blue for the uniform of officers. [77] It was first known as marine blue, now known as navy blue. [82] The militia organized by George Washington selected blue and buff, the colours of the British Whig Party. Blue continued to be the colour of the field uniform of the US Army until 1902, and is ...
The Sippar Dye Text (7th century), as well as the Leyden papyrus X and Papyrus Graecus Holmiensis (3rd century) provide recipes for counterfeit takiltu that includes a mixture of red and blue colours, for an overall purple colour. [24] A pure blue can only be produced from Hexaplex dye through a debromination process.