Maroon
From Tardis Wiki, the free Doctor Who reference
Maroon was a colour.
Martha Jones wore a maroon leather jacket. (TV: Smith and Jones, The Shakespeare Code, Gridlock, Daleks in Manhattan/Evolution of the Daleks, The Lazarus Experiment, Sound of Drums|Last of the Time Lords, etc.)
The Hazrateen had maroon skin. (AUDIO: The Taste of Death)
The Eleventh Doctor wore a maroon bowler cap. (TV: The Crimson Horror)
The Seventh Doctor wore a maroon scarf up to his death. (TV: Doctor Who)