ocean blue

It woke up Marjorie with a start, and running to the porthole she saw that they were once more upon the ocean blue.

Between rafts of silver-edged clouds were channels of ocean-blue sky, inconceivably deep and transparent.

Here she lay in the sunlight, with bars of orange light darkening to ocean blue, and one far sparkling line in the West.

Little fishing-boat, a blurOn the ocean blue, Don't you ever wish you wereA little taller, too?

An "ocean blue" is a good color, as it makes a good background for islands.