Sky-blue

a.

1.

Having the blue color of the sky; azure; as, a sky-blue stone.

Noun	1.	sky-blue - a light shade of blue Synonyms: azure, cerulean, lazuline, sapphire
Adj.	1.	sky-blue - of a deep somewhat purplish blue color similar to that of a clear October sky; "October's bright blue weather" Synonyms: azure, bright blue, cerulean

azure, bright blue, cerulean, chromatic