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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Style it with SSStein’s vibrant red jacket, Maria McManus’s loose gray trousers, and B-Sides’s V-neck tee in cobalt blue. — Laura Jackson, Vogue, 9 Oct. 2026 Another notable look featured Chastain rocking a voluminous, curly bob while posing in a cobalt blue satin gown. — Chanel Vargas, InStyle, 8 Oct. 2026 Throughout the Givenchy spring 2027 shoe range, colors ranged from cobalt blue to glossy burgundy to classic black to white with blue accents. — Jaden Thompson, Footwear News, 5 Oct. 2026 Throughout the day, the cobalt blue ‘Living Room’ by the check-in area serves crowd-pleasing dishes like burgers, salads, and lobster rolls. — Condé Nast, Condé Nast Traveler, 29 Sep. 2026 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

Rhymes for cobalt blue

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Browse Nearby Words

cobalt bloom
cobalt blue
cobalt bronze
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Cite this Entry

“Cobalt blue.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/cobalt%20blue. Accessed 20 Oct. 2026.

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More from Merriam-Webster on cobalt blue

Britannica.com: Encyclopedia article about cobalt blue

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