The breeze blew gentle ripples over the crystal blue of the lake.

Coyote glimpsed white surf, the crystal blue of the sea.

The sky was a crystal blue, and the late afternoon temperatures had reached a balmy seventy degrees.

The snow stopped and the sky is now that crystal blue without any clouds at all.

Back of the city a range of mountains stood on guard, peaks of crystal blue against the azure sky.

His eyes were a piercing crystal blue.

The sky was a crystal blue, with fluffy white clouds scudding along, riding a freshening breeze.

The sky was a frigid crystal blue.

Instead of his eyes being crystal blue, they had become distorted.

When it flowed smooth and calm as satin, crystal blue in the summer sun.