WordNet
iron blue
n. slightly purplish or bluish dark gray [syn: steel gray, Davy's gray]
any of various blue pigments [syn: Prussian blue]
Usage examples of "iron blue".
By a thousand fires in the iron blue dusk he keeps his commissary and he's a wry and grinning tradesman good to follow every campaign or hound men from their holes in just those whited regions where they've gone to hide from God.
Despite how concerned he knew her to be, Richard could see in Cara's posture only her powerful presence, and in her features and her iron blue eyes her strength of will.