Sapphire (colour)
Sapphire was a shade of blue named after a certain gemstone.
The Eighth Doctor wore an ascot tie of sapphire blue dupioni when he worked with the Dalek Time Squad. (AUDIO: He Kills Me, He Kills Me Not-Mutually Assured Destruction)
The Ninth Doctor wore a sapphire jumper during an encounter with Rassilon and some Great Vampires during the Dark Times. (COMIC: Monstrous Beauty)
Rose Tyler wore a sapphire blue Wichita Falls t-shirt when she met Reinette and some Clockwork Droids. (TV: The Girl in the Fireplace)
The Twelfth Doctor wore a sapphire brocade waistcoat during a visit to the 1814 frost fair. (TV: Thin Ice)
The Sixth Doctor wore a sapphire frock coat when he and Evelyn Smythe met Cybermen on Chronos during 3286. (WC: Real Time)
Martha Jones wore a sapphire bustier under her maroon leather jacket when the Saxon Master and the Toclafane took over Earth. (TV: The Sound of Drums)
Nyssa wore a sapphire and white blouse during her second encounter with the Mara. (TV: Snakedance)
Jenny Flint wore a sapphire waistcoat. (TV: Deep Breath)
During her time as CEO of A Charitable Earth, Ace wore a sapphire shirt under a black and white pinstripe suit when she helped to foil Master's Dalek Plan. (TV: The Power of the Doctor)