cobalt blue

(redirected from cobalt-blue)
Also found in: Dictionary, Thesaurus.

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 ?
Twelve times a week at the Egyptian-themed Luxor hotel, some 1,200 tourists take time off from the roulette wheel and pay as much as $75 to watch three bald, cobalt-blue figures throw food, eat Twinkies, and play giant musical instruments made from PVC piping.
Seductively packaged in a cobalt-blue bottle with festive orange lettering, and retailing nationwide at $16.
The property includes a cobalt-blue sculpture made entirely of Milk of Magnesia bottles and a hut covered with more than 2,000 pencils.