Definition of cobalt blue in English:

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cobalt blue


[mass noun]
1A deep blue pigment containing cobalt and aluminium oxides.
Example sentences
  • The next step is to paint some winter weeds around her, and put a nice wet wash of burnt umber and cobalt blue over the wet ground of her body.
  • He mixes and grinds his own pigments, preferring rich, heavy metal colours such as cobalt blue and the cadmiums - red, violet, vermilion and yellow.
1.1A deep blue colour: plates rimmed with cobalt blue [modifier]: the distant cobalt-blue mountains
More example sentences
  • Beyond him, the window framed a snowscape: a treeline with white-washed evergreens and a cobalt-blue sky overhead.
  • He was a tall, stern-looking man with cobalt-blue eyes and raven-black hair pulled snugly back.
  • She plucked a large, cobalt-blue flower and tucked it behind her ear.

For editors and proofreaders

Line breaks: co¦balt blue

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