Scarlet

Members of the Prydonian Chapter were distinguished from the other Chapters by their scarlet and orange robes. (TV: The Deadly Assassin)

Gwen Cooper wore a scarlet shirt throughout the 21st century Dalek invasion. (TV: The Stolen Earth, Journey's End)

Jo Grant wore a scarlet scarf with her blue overall dress and plaid shirt. (TV: Day of the Daleks)

Eve's skin was scarlet. (TV: The Mad Woman in the Attic)