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

Comey’s nods to Drexler are mostly subtle, drawing from the artist’s color palette of vibrant hues from bright green and orange to cobalt blue and lilac, with an eye toward their high-contrast juxtapositions, a hallmark of Drexler’s paintings. — Maximilíano Durón, ARTnews.com, 11 Sep. 2026

For some, fall fashion starts with color, working in warm browns and flashes of crimson red or shaking typical neutrals up with pops of cobalt blue. — Minty Mellon, Vogue, 24 Aug. 2026

The instrumentation adopts the Tambour’s graphic language, using cobalt blue dials and orange markings. — Michael Harley, Forbes.com, 12 Aug. 2026

The hem of the pants landed right at the top of the shoes, offering a peek of her bespoke Eliot Zed kitten heel pumps in cobalt blue. — Karla Rodriguez, Footwear News, 24 July 2026

Word History

First Known Use

1835, in the meaning defined at sense 1

Rhymes for cobalt blue

• accrue
• ado
• ainu
• aircrew
• airscrew
• anew
• askew
• baboo
• babu
• bamboo
• beaucoup
• bijou