RIGEL (Beta Orionis). Like its class M reddish rival in Orion, Betelgeuse, Rigel (Beta Orionis) is a supergiant, though a contrasting blue one (actually more blue-white) of class B (B8).
https://github.com/davepinch/pinchy.cc/blob/master/content/sites/stars.astro.illinois.edu/sow/rigel.md