tinged with blue or purple from cold or contusion; "the children's lips are blue from cold"; "a blue bruise"
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"
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"
of the color intermediate between green and violet; having a color similar to that of a clear unclouded sky