Oxford blue

noun

  1. a dark blue colour
  2. (as adjective)an Oxford-blue scarf
a person who has been awarded a blue from Oxford University

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012