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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Their signature eyeshadow palette features a rainbow of enticing hues, including violet, emerald, and cobalt blue, housed in an equally stunning gold tin. Essence, 15 Oct. 2025 He was last seen wearing a cobalt blue T-shirt with a Minions logo on it along with a grey sunhat, with light grey pants and boots. Rachel McRady, PEOPLE, 30 Sep. 2025 In translucent polymer clay and pigments, the artworks are colored in emerald green and cobalt blue and are part of the collaboration with Secci Gallery. Luisa Zargani, Footwear News, 23 Sep. 2025 This design combines pastel pink, grassy green, and cobalt blue, incorporating both modern and vintage-inspired decor items. Claire Hoppe Norgaard, Better Homes & Gardens, 12 Sep. 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 22 Oct. 2025.

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