Ruby was mentioned by the Fifteenth Doctor as being a shade of red. (TV: The Legend of Ruby Sunday [+]Loading...["The Legend of Ruby Sunday (TV story)"])
Romana II wore a ruby dress during her encounter with Meglos. (TV: Meglos [+]Loading...["Meglos (TV story)"])
The Third Doctor wore a ruby cravat during the Solos Crisis. (TV: The Mutants [+]Loading...["The Mutants (TV story)"])
The Fourth Doctor wore a ruby cravat as part of his detective outfit. (PROSE: Nanomorphosis [+]Loading...["Nanomorphosis (short story)"], Evolution [+]Loading...["Evolution (novel)"], AUDIO: The Merfolk Murders [+]Loading...["The Merfolk Murders (audio story)"], COMIC: Gaze of the Medusa [+]Loading...["Gaze of the Medusa (comic story)"], TV: The Talons of Weng-Chiang [+]Loading...["The Talons of Weng-Chiang (TV story)"])
The Seventh Doctor wore a ruby tie with his suit of cream linen during an adventure in the System. (PROSE: Sky Pirates! [+]Loading...["Sky Pirates! (novel)"])
Nyssa wore ruby shoes during her second encounter with the Mara. (TV: Snakedance [+]Loading...["Snakedance (TV story)"])
Toshiko Sato wore a ruby tank-top when being used by Mary, a renegade Arcateenian. (TV: Greeks Bearing Gifts) (TV: Greeks Bearing Gifts)