Crimson was a form of deep red. (AUDIO: Call Me Ishmael)
The War Doctor wore a crimson scarf when he and Petrella escaped a Mark VIII Dalek ambush led by a Type E Supreme Dalek. (COMIC: Ambush)
The Sixth Doctor wore a crimson cravat with white polka dots, (TV: The Mysterious Planet, etc.) right up to his death caused by the First Rani. (AUDIO: The Brink of Death; TV: Time and the Rani)
The Seventh Doctor spent his first hours with the Sixth Doctor's crimson cravat before switching for a scarlet paisley tie. He also tried on a Napoleonic frock coat in navy and ivory with gold epaulettes and a crimson trim before settling for a silver grey safari jacket. (TV: Time and the Rani)TV: Time and the Rani) He also replaced his tartan scarf with a crimson paisley scarf; most notably: when ending the Paradise Towers Massacre, (TV: Paradise Towers) when protecting Delta from Bannermen, (TV: Delta and the Bannermen) when meeting Ace, (TV: Dragonfire) when foiling Davros's Imperial Daleks and the Supreme's Renegade Daleks during the Hand of Omega Incident, (TV: Remembrance of the Daleks) when resisting Helen A and the Kandyman, (TV: The Happiness Patrol) when keeping the Nemesis from Isomorph Cybermen and Neo-Nazis as well as Peinforte during the 1988 Cyberman Invasion of Earth. (TV: Silver Nemesis) He also wore it when freeing the Psychic Circus from the Gods of Ragnarok, (TV: The Greatest Show in the Galaxy) and when dealing with Sontarans and Rutans. (PROSE: Shakedown)
The Fourth Doctor wore a crimson scarf with violet purple stripes, (TV: The Leisure Hive) up to his death after the Tremas Master's Entropic Enterprise. (TV: Logopolis)
Rose Tyler wore a crimson hoodie over a white t-shirt. (COMIC: Endgame) She also 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)
Sarah Jane Smith wore a crimson jumper during her last adventure with the Fourth Doctor, (TV: The Hand of Fear) and her reunion with the Third Doctor in the First Rani's trap. (TV: Dimensions in Time)
Ace wore a crimson blouse when she met Cheetah People and the Tremas Master's Survival Stratagem. (TV: Survival)
Amy Pond wore crimson scarfs; such as when she met Vincent van Gogh, (TV: Vincent and the Doctor) and during the during the Total Collapse Event Incident.. (TV: 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) and also a crimson and navy tartan shirt when posing as a Doctor. (TV: Flatline)Her Victorian counterpart wore a crimson dress when she met the Eleventh Doctor. (TV: The Snowmen)
Rose Noble wore a crimson and peach brocade blouse during a dinner party. (TV: The Giggle)
The Tenth Doctor wore a tie in navy blue with a crimson flora random design during the Human Dalek Incident, (TV: Daleks in Manhattan/Evolution of the Daleks) before meeting Richard Lazarus, (TV: The Lazarus Experiment) after the Toclafane Invasion of Earth, (TV: Last of the Time Lords) when meeting his fifth incarnation, (TV: Time Crash) when going on board the Titanic, (TV: Voyage of the Damned) when meeting Agatha Christie, (TV: The Unicorn And The Wasp), when meeting River Song and some Vashta Nerada, (TV: Silence In The Library|Forest Of The Dead) and during a trip to Bowie Base One on Mars in the 2050s. (TV: The Waters Of Mars) He also wore a crimson undershirt during the Revolution of the Ood. (TV: Planet of the Ood)
The Third Doctor wore a crimson velvet waistcoat with a single-chained fob watch of gold when dealing with BOSS and giant maggots, (TV: The Green Death) and when foiling the Dalek Empire's Exxilon Gambit. (TV: Death to the Daleks)
The Ninth Doctor wore a crimson jumper with a v-neck collar. when helping his past and future incarnations foil the Tremas Master and when he witnessed Adam Mitchell's death. (COMIC: Endgame)
A child incarnation of the Doctor bound to a high-tech wheelchair wore a crimson t-shirt with coal black stripes. (PROSE: Rose)
Melanie Bush wore a crimson bandana with ivory paisley symbols. (TV: Delta and the Bannermen)
Peri Brown wore crimson trousers when she joined the Fifth Doctor in the First Rani's trap. Victoria Waterfield wore a crimson skirt when she joined the Third Doctor in the First Rani's trap. (TV: Dimensions in Time)
Ruby Sunday wore a crimson safari jacket during a trip to Kastarion 3 during 5087. (TV: Boom)
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) and when helping many versions of the Doctor and companions. (GAME: Lost in Time)
Rosita Farisi wore a crimson shawl when she helped the Tenth Doctor and Jackson Lake foil Cybus Cybermen during the 1851 Incident. (TV: The Next Doctor)
Bill Potts wore a rainbow bodysuit done in ebony black, crimson, sapphire blue, white, burnt orange, and mustard yellow. (TV: The Pilot, Smile, Thin Ice, Extremis)
Li Shou Yuing wore crimson tights when she met the Seventh Doctor and Ace during their encounter with Morgaine and the Destroyer. (TV: Battlefield)
Charles Cranleigh wore a crimson tailcoat as part of his Georgian costume in a party round Cranleigh Hall on 1925. (TV: Black Orchid)
Albert Dumfries, a senior member of the Cabinet of Harold Saxon, wore a crimson tie with navy stripes up to when he was killed by the Saxon Master before the Toclafane Invasion of Earth. (TV: The Sound of Drums)
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)
Rhys Williams wore a crimson and gold brocade waistcoat when he married Gwen Cooper. (TV: Something Borrowed)
Artie Berger, a piano musician, wore a crimson tie with gold stripes when helping to capture a sound monster on 1946. (AUDIO: Fright Motif)
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)
Leading members on Gallifrey wore crimson robes with gold symbols during and after the Last Great Time War. They included President Rassilon in four incarnations: an old one, (AUDIO: Desperate Measures) a younger one with a beard, (AUDIO: Deception) a menacing one with a crew cut, (TV: The End of Time) and an aging one. (TV: Hell Bent) They also included his Chancellor, the Partisan, the Visionary, (TV: The End of Time) and Cardinal Ollistra. (AUDIO: The Innocent) Leela also wore a crimson robe with gold symbols to symbolize her connection to Gallifrey. (WC: The Final Battle)
The Toymaker wore ebony black boots with crimson laces when he plays the Spice Girls Spice Up Your Life while messing with UNIT in London during 2023. (TV: The Giggle)
Members of UNIT wore crimson berets. (TV: Aliens of London, The Sontaran Stratagem|The Poison Sky, The Stolen Earth|Journey's End, Planet of the Dead)
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)