Johnny stared once more at the blue-black darkness before him, and marveled afresh.
Her eyes were so dark in her face that they looked like blue-black ink.
When he did unclose his eyes, to blink for a moment, he saw that the stars were still vivid in the blue-black sky overhead.
When she had thrown off her blue-black dress to wash her arms and shoulders and neck were bare.
Presently a dense mass of blue-black clouds loomed suddenly over the brow of the cliffs.
All the western part of the Valley lay in that blue-black shadow.
A blue-black cloud overhanging the green head of the cut-off had suddenly widened across all that quarter and turned leaden gray.
Mount Fridtjof Nansen, for example, had quite a blue-black look.
Then he leaned out by a post and looked straight up into the blue-black vault of a moonless July night sky.
I can just discern the white belfry against the blue-black sky.