Navy (colour)
Navy was a dark shade of blue.
The First Doctor wore a navy blue ribbon tie. (TV: An Unearthly Child, The Daleks, etc.)
The Seventh Doctor wore a necktie of navy and burgundy paisley. (TV: Battlefield, Ghost Light, The Curse of Fenric, Survival)
The Eighth Doctor wore a navy frockcoat. (COMIC: Dreadnought) Since an adventure on World-War 1, he wore a navy leather peacoat. (TV: Dark Eyes, Stranded, Day of the Master, etc)
The War Doctor wore a double breast waistcoat of navy blue moleskin. (COMIC: Ambush)
The Twelfth Doctor wore a navy crombie coat. (TV: Deep Breath, onward)
One of Jenny Flint's waistcoats was navy. (TV: A Good Man Goes to War)
Donna Noble wore a navy blouse. (TV: The Poison Sky, The Doctor's Daughter)
The Victorian Clara Oswald wore a navy dress. (TV: The Snowmen)
Maria Jackson wore a navy denim jacket. (TV: The Warriors of Kudlak, etc.)
Rani Chandra wore a navy denim jacket. (TV: The Mad Woman in the Attic.)
Doctor Olivia Steele wore a navy pencil skirt. (PROSE: Exodus Code)