The sky had turned a cobalt blue in the north.

When Bill looked into the first, he saw a small dish made of cobalt blue.

In the early period only cobalt blue was used for decoration.

Her eyes were a cobalt blue as though washed even more pale by the sun.

I could see lakes of an unreal cobalt blue to the north.

It comes in cobalt blue, forest green and black.

Even from this distance she noted his eyes, which were a cutting shade of cobalt blue.

Some rare dishes have a green, red, pink, or black pattern instead of the cobalt blue.

The living room is awash in a haze of cobalt blue.

Suddenly nervous, Serena set down a small glass bowl of cobalt blue.