cerulean
Say it: suh-ROO-lee-uhn /sɪˈruːliən/ · adjective
What “cerulean” means
A deep, clear sky blue.
More precisely: Deep, clear sky blue.
Example: “The pool's cerulean water looked unreal against the white villa.”
When to use it
Use it when describing a rich sky-blue colour in art, clothes or scenery, with a precise, slightly literary tone.
Similar words
sky-blue, azure, sapphire
Where it comes from
Latin caeruleus, 'dark blue, sky-coloured'.
Quick check
You choose paint that matches the deep, clear blue of a cloudless summer sky. Which colour word fits?
turquoise or cerulean?
Show the answer
cerulean
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