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cobalt blue

American  

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 British  

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

    1. a deep blue to greenish-blue colour

    2. ( as adjective )

      a cobalt-blue car

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of cobalt blue

First recorded in 1825–35

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Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The actress Jenna Ortega wore another one of his cobalt blue designs in a promotional photo for last weekend’s “Saturday Night Live.”

From New York Times

Wherever there is a cobalt blue window frame, there is surely a bushy wreath of vibrant red chiles nailed to it.

From New York Times

There was Dutch vermilion red and cobalt blue, Turkish red, and Mexican green, white and red.

From Washington Post

She stepped into the capsule, her short, white hair gleaming brightly in contrast to her cobalt blue flight suit.

From Washington Post

Paint a concrete floor cobalt blue or red.

From Washington Post