cobalt blue

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cobalt blue

[¦kō‚bȯlt ¦blü]
(chemistry)
A green-blue pigment formed of alumina and cobalt oxide. Also known as cobalt ultramarine; king's blue.
References in periodicals archive ?
Silver shoes, pounds 69, Bertie; FUN & SEXY Cobalt-blue crochet dress, pounds 39.50, Marks & Spencer.
"The Mirror of Diana" was the name by which the ancient Romans called Lake Nemi, the cobalt-blue, perfectly spherical crater lake in which the Temple of Diana was reflected.
In Susan Sargent's new style called Daisies, the white flowers with red centers are set against a cobalt-blue field, sky-blue leaves and a raisin border.