Crimson
Crimson was a form of deep red. (AUDIO: Call Me Ishmael)
The War Doctor wore a crimson scarf when he and Petrella escaped a Dalek ambush led by a Supreme Dalek. (COMIC: Ambush)
The Seventh Doctor wore a crimson paisley scarf. (TV: Paradise Towers-The Greatest Show in the Galaxy)
The Fourth Doctor wore a crimson scarf with violet stripes, (TV: The Leisure Hive) up to his death. (TV: Logopolis)
Rose Tyler wore a crimson t-shirt when she helped the Doctor's eighth and eleventh incarnations deal with a parallel self, D'Pau, and some Sontarans. (COMIC: Empire of the Wolf)
Ace wore a crimson blouse when she met Cheetah People and the Tremas Master. (TV: Survival)
Amy Pond wore crimson scarfs. (TV: Vincent and the Doctor, The Pandorica Opens/The Big Bang)
Clara Oswald wore a crimson minidress when she and the Eleventh Doctor dealt with the destructive consequences of the Van Baalen salvage crew's tampering with the TARDIS. (TV: Journey to the Centre of the TARDIS)
Some Late Silurian commanders wore crimson vests. (TV: Cold Blood; GAME: The Eternity Clock) Eldane, the Silurian leader, wore a black robe with some beige and crimson. (TV: Cold Blood)
Bonnie wore a crimson paisley scarf similar to the Seventh Doctor's when taking Osgood's form. (TV: The Zygon Inversion)
Lucie Miller wore a crimson and white tartan shirt up to her death. (AUDIO: Lucie Miller, To the Death)
Liz Shaw wore a crimson turtle neck jumper during her first encounter with Early Silurians during the Wenley Moor Affair. (TV: Doctor Who and the Silurians)
Li Shou Yuing wore crimson tights when she met the Seventh Doctor and Ace during their encounter with Morgaine and the Destroyer. (TV: Battlefield)
The Ringmaster of the Psychic Circus wore a crimson top hat. (TV: The Greatest Show in the Galaxy)
The Dream Lord wore a crimson bow tie when he appeared in the Eleventh Doctor's console room. (TV: Amy's Choice)
Allison Williams wore an alabaster scarf with crimson and navy stripes when she helped the Seventh Doctor during the Hand of Omega Incident. (TV: Remembrance of the Daleks)
The Curator, a future version of the Doctor, wore an ascot tie of navy and crimson paisley under his tattersall shirt's collar when taking the form of an older Fourth Doctor. (TV: The Day of the Doctor)
In the 20th century, Torchwood Three found a deep-lavender emotional amplifier. It pulsed crimson when it detected anger, amplifying it into rage. (PROSE: Slow Decay)
During the War in Heaven, Inquisitor Ishmael of the Order of Tarth'Rioshim wore crimson clothing, including an overcoat. (AUDIO: Call Me Ishmael)