Ebony
From Tardis Wiki, the free Doctor Who reference
Ebony was a shade of black named after a form of wood. The Eighth Doctor wore an ascot tie of ebony black dupioni during his travels with Cass Fermazzi. (AUDIO: Meanwhile, Elsewhere-Previously, Next Time) The Ninth Doctor wore a double-breasted frock coat of ebony black moleskin while at the launch of the RMS Titanic in 1912. (TV: Rose, PROSE: Have You Seen This Man?)