cobalt blue

noun

A deep blue pigment derived from cobalt; zaffre.

Meanings

nouncobalt blue (countable and uncountable, plural cobalt blues)

plural cobalt blues

  1. countableuncountableA deep blue pigment derived from cobalt; zaffre.
adjectivecobalt blue (not comparable)
  1. not comparableOf the color of the pigment zaffre.

Synonyms & antonyms

nouna shade of blue tinged with green

noungreenish-blue pigment consisting essentially of cobalt oxide and alumina

Similar
cobalt ultramarine
Broader

Synonym sets from Open English WordNet, CC BY 4.0.

Translations

Catalan blau de cobalt
  • blau de cobaltcolour
Danish koboltblåt, koboltblå
  • koboltblåtcolour
  • koboltblåcolour
Dutch kobaltblauw, kobaltblauw
  • kobaltblauwcolour
  • kobaltblauwcolour
Finnish koboltinsininen, koboltinsininen
  • koboltinsininencolour
  • koboltinsininencolour
French bleu de cobalt
  • bleu de cobaltcolour
German Kobaltblau, kobaltblau
  • Kobaltblaucolour
  • kobaltblaucolour
Greek βαθυκύανο
  • βαθυκύανο (vathykýano)colour
Hungarian kobaltkék, kobaltkék
  • kobaltkékcolour
  • kobaltkékcolour
Irish gorm cóbaltach, gorm cóbailt
  • gorm cóbaltachcolour
  • gorm cóbailtcolour
Japanese コバルトブルー
  • コバルトブルー (kobarutoburū)colour
Latin cobaltinus
  • cobaltinuscolour
Norwegian Bokmål koboltblått, koboltblå
  • koboltblåttcolour
  • koboltblåcolour
Portuguese azul-cobalto
  • azul-cobaltocolour
Romanian albastru de cobalt, albastru de cobalt
  • albastru de cobaltcolour
  • albastru de cobaltcolour
Swedish koboltblå
  • koboltblåcolour
Cite this entry
APA

cobalt blue. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/cobalt%20blue

MLA

“cobalt blue.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/cobalt%20blue. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “cobalt blue,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/cobalt%20blue.

Source: cobalt blue on Wiktionary, CC BY-SA 4.0.