- a moderate to dark grayish blue.
Origin of slate blue
Examples from the Web for slate blue
Historical Examples of slate blue
The hair had slipped from its body, leaving the skin shiny and slate-blue.The Yellow Horde
Hal G. Evarts
A petrel it is, about the size of a house pigeon, and of a slate-blue colour.The Land of Fire
The male is of a slate-blue, and has a broad black band across the tail.Birds in Flight
W. P. Pycraft
There was a smile on her lips, but there was fiery challenge in her slate-blue eyes.
Slate-blue eyes, two books with endless pages, the soul of this wife of his.