bluish (
http://definr.com/bluish)
adj 1: having a color similar to that of a clear unclouded sky;
"October's bright blue weather"- Helen Hunt Jackson;
"a blue flame"; "blue haze of tobacco smoke" [syn:
blue,
blueish,
light-blue,
dark-blue]
2: tinged with blue or purple from cold or contusion; "the
children's lips are blue from cold"; "a blue bruise" [syn:
blue,
blueish]