Definition of navy blue Navy blue
na•vy blue
We found 4 definitions of navy blue from 3 different sources.
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What does navy blue mean?
Wikipedia 
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Navy blue or navy is a very dark shade of the color blue. Some people mistake navy blue for black.
Since 1748, Royal Navy uniforms have been white and navy blue. Other navies also adopted these uniform colors. This is where the color got its name.
