Prussian blue
Prussian blue was a dark shade of blue.
The Third Doctor wore a Prussian blue bow tie up to his death. (TV: Planet of the Spiders) His successor, the Fourth Doctor, wore it briefly. (TV: Planet of the Spiders, Robot)
The Sixth Doctor wore a Prussian blue cravat during his confrontation with the Forge. (AUDIO: Project: Lazarus)
The Seventh Doctor wore a Prussian blue paisley tie when he, Ace, and Bernice Summerfield met Dr. Patrick Rix during 1873. (PROSE: Strange England)
The Eighth Doctor wore a double-breasted overcoat of Prussian blue moleskin with peaked lapels round the Kotturuh crisis, (AUDIO: He Kills Me, He Kills Me Not, Mutually Assured Destruction; PROSE: All Flesh is Grass) and his travels with Cass Fermazzi. (AUDIO: Meanwhile, Elsewhere-Previously, Next Time)
The Thirteenth Doctor wore a Prussian blue crew collar t-shirt with a smeared rainbow pattern during a visit to Kerblam. (TV: Kerblam!)
The Twelfth Doctor wore tartan trousers done in Prussian blue and alabaster when he first meets Ashildr and some Mire on 9th century Earth. (TV: The Girl Who Died)
Rose Tyler wore a Prussian blue hoodie 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)
Donna Noble wore a Prussian blue blazer during the 2009 Sontaran invasion of Earth. (TV: The Sontaran Stratagem|The Poison Sky)
Jenny Flint wore a Prussian blue waistcoat during the Battle of Demons Run. (TV: A Good Man Goes to War)
Clara Oswald wore Prussian blue jeans during the Good Dalek Incident. (TV: Into the Dalek)
The Fugitive Doctor wore a double-breasted waistcoat of Prussian blue tweed with a shawl collar. (TV: Fugitive of the Judoon, The Timeless Children, Once, Upon Time, The Power of the Doctor)
Dan Lewis wore a Prussian blue scarf when he, Yasmin Khan, and Professor Jericho visited Kumar on Nepal during 1904. (TV: Survivors of the Flux)
Kate Stewart wore a double-breasted blazer with peaked lapels and trousers in Prussian blue when she met the Toymaker, and when she witnessed the bi-generation of the Doctor's fourteenth and fifteenth incarnations. (TV: The Giggle)
Lieutenant Harry Sullivan, a doctor from UNIT, wore a double-breasted blazer with peaked lapels in Prussian blue when travelling with the Fourth Doctor. (TV: Robot, The Ark in Space, The Sontaran Experiment, Genesis of the Daleks, Revenge of the Cybermen, Terror of the Zygons)
Missy, a feminine incarnation of the Master, wore a Prussian blue walking suit. (COMIC: The Master Plan)
