navy blue

American  

[ney-vee bloo] / ˈneɪ vi ˈblu /

noun

navy blues plural

1. a dark blue.

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adjective

1. of a dark blue color.

   I can’t wear my navy blue skirt without ironing it.

navy blue British  

noun

1. Sometimes shortened to: navy. 

   1. a dark blue colour

   2. ( as adjective )

      a navy-blue suit

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Other Word Forms

Derived Forms

• navy-blue
  adjective

Inflected Forms

Nouns

• navy blues
  plural

Etymology

Origin of navy blue

First recorded in 1830–40; from the color of naval uniforms, as of the U.K. and the U.S.

Example Sentences

While the now-replaced aircraft sported a blue and white exterior, the new aircraft has a navy blue underbelly, red stripe and white upper body.

From Barron's • Jun. 19, 2026

Part of the renovation included changing the color of the basin from gray to navy blue, which may have had the unintended effect of making the water even warmer.

From The Wall Street Journal • Jun. 18, 2026

In that post, a man with brown hair and a half-smile is pictured wearing a navy blue quarter-zip sweater, hands folded behind his back.

From Barron's • Apr. 26, 2026

During the press tour’s kickoff in Mexico City, Streep — styled by Micaela Erlanger — donned a long, belted navy blue Schiaparelli dress.

From Los Angeles Times • Apr. 21, 2026

Her mother refused to buy them for her, preferring instead to buy white socks, navy blue school underpants, four gray blouses, and a dark gray skirt.

From "Coraline" by Neil Gaiman