In heraldry, murrey is a "stain", i. e. a non-standard tincture, that is a dark reddish purple colour. It is most proximate in appearance to the heraldic tincture of purpure, but is distinct therefrom.
Centuries ago, arms were often described poetically and the tinctures were associated with different gemstones, flowers and heavenly bodies. Murrey usually corresponded to the following:
The livery colours of the House of York in England in the fifteenth century were azure and murrey, as depicted on the shields of the Falcon of the Plantagenets and the White Lion of Mortimer among the Queen's Beasts.[6]
^Crest of William Dale Murray: "Issuant from an antique crown or a bison's head in trian aspect murrey accorné or." Canadian Public Register, Volume 4, page 292.
^Arms of ____ Brown: "Murrey; a chevron between two fleurs de lys in chief and a plough in base, or." Public Register, Volume 71, page 26.