Sapphire (colour)

Sapphire was a shade of blue named after a certain gemstone.

Alpha Cygni was a sapphire blue sun. (AUDIO: The Fragile Yellow Arc of Fragrance)

The Eighth Doctor wore sapphire blue trousers. (AUDIO: Time Works) He also wore an ascot tie of sapphire blue dupioni round the Kotturuh crisis. (AUDIO: He Kills Me, He Kills Me Not, Mutually Assured Destruction; PROSE: All Flesh is Grass)

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)

The Thirteenth Doctor wore a sapphire waistcoat with clock symbols during her encounter with Mary Shelley, and also her first encounter with Ashad. (TV: The Haunting of Villa Diodati),