cobalt blue

noun

1. a deep blue to a strong greenish-blue color.

2. any of a number of pigments containing an oxide of cobalt.

cobalt blue

noun

1. Also called: Thénard's blue. any greenish-blue pigment containing cobalt aluminate, usually made by heating cobaltous sulphate, aluminium oxide, and phosphoric acid together

2. 1. a deep blue to greenish-blue colour

   2. ( as adjective )

      a cobalt-blue car

Word History and Origins

Origin of cobalt blue¹

First recorded in 1825–35

Example Sentences

Stringer built most of the studio’s interior himself, save for select furnishings and an Ikea shelving unit he painted cobalt blue to match the room’s colorful aesthetic.

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Shasta with puffy white clouds drifting across a cobalt blue sky, Griffin recalled one of his worst days on the job.

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The brothers themselves appeared in court via a video feed from a San Diego prison, wearing identical cobalt blue prison uniforms.

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Of course, in the fashion world, an item of clothing can't just be blue, so Laws says he thinks cornflower and cobalt blue will make a particular appearance across shows.

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Five feet tall, the cobalt blue stoneware figure of a lifesize headless women in a voluminous, bell-shaped skirt shows her cupping aggressive, bullet-like breasts in her hands.

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