cobalt blue

noun

1
: a greenish-blue pigment consisting essentially of cobalt oxide and alumina
2
: a strong greenish blue

Examples of cobalt blue in a Sentence

Recent Examples on the Web
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Splashes of color abound, from cobalt blue planters to murals by Mexican artist Manu Muni that lend a playful edge to the building’s storied past. Michaela Trimble, Vogue, 28 Apr. 2025 But on a recent afternoon, walking through a pasture in the shadow of Mt. Shasta with puffy white clouds drifting across a cobalt blue sky, Griffin recalled one of his worst days on the job. Jack Dolan, Los Angeles Times, 21 Apr. 2025 Instead, Moroney’s dressed casually in a baseball hat and jacket from the viral brand Boys Lie, the only indication of her other self a manicure in her signature cobalt blue. Stephanie McNeal, Glamour, 3 Apr. 2025 Erivo revealed later that her manicurist, Mycah Dior, used five different OPI nail polish shades to complete the design — including the cobalt blue hue, Fiyero's My Mani, from the limited-edition Wicked collection. Rachel Flynn, People.com, 24 Feb. 2025 See All Example Sentences for cobalt blue

Word History

First Known Use

1835, in the meaning defined at sense 1

Time Traveler
The first known use of cobalt blue was in 1835

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Cite this Entry

“Cobalt blue.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/cobalt%20blue. Accessed 24 May. 2025.

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