blue-black

Leo stood in front of the Crab, and the half darkness allowed him a glimpse of that vast blue-black back, and the motionless eyes.

So he sat quietly on his horse, revolver in hand, his blue-black eyes staring angrily at the coming storm.

Thurstane's blue-black eyes studied this enigmatic being steadily and almost angrily.

He was of the extreme brunette type, his hair blue-black, his black eyes keen and piercing and always on the move.

The sky had darkened up with a great blue-black storm-cloud rushing over, and they hadn't noticed it.