blueness

In an atlas, too, the land is man's, and all coloured to show his claim to it — in vivid contrast to the universal independent blueness of the sea.

The ocean's supposed blueness comes entirely from the sky.

He devoted a whole poem to the blueness of his victim's eyes, which the two policemen read out loud to one another through hysterical, tearful laughter.

I just want to hop into my boat and sally forth into the great blueness.

The ocean's blueness comes from the same atmospheric conditions that make the sky blue.