Meanings
nounroyal blue (countable and uncountable, plural royal blues)
plural royal blues
- countableuncountableA deep, bright blue colour.
This engine was used for hauling Viceregal trains, and was painted royal blue.
1953 September, G. R. Mahon, “Irish Railways in 1853”, in Railway Magazine, page 627
adjectiveroyal blue (comparative more royal blue, superlative most royal blue)
comparative more royal blue · superlative most royal blue
- Of a deep, bright blue colour.
Synonyms & antonyms
Synonym sets from Open English WordNet, CC BY 4.0.
Translations
Danish kongeblå, kongeblå
- kongeblåcolour
- kongeblåcolour
Finnish kuninkaansininen, kuninkaansininen
- kuninkaansininencolour
- kuninkaansininencolour
German Königsblau, königsblau
- Königsblaucolour
- königsblaucolour
Hungarian királykék, királykék
- királykékcolour
- királykékcolour
Indonesian biru indah, benhur
- biru indahcolour
- benhurcolour
Japanese 花紺青
- 花紺青 (konjō)colour
Malay نيلاکندي
- نيلاکندي (nilakandi)colour
Norwegian Bokmål kongeblå
- kongeblåcolour
Polish błękit królewski, smalta
- błękit królewskicolour
- smaltacolour
Swedish kungsblå
- kungsblåcolour
Turkish kraliyet mavisi, kraliyet mavisi
- kraliyet mavisicolour
- kraliyet mavisicolour
Welsh glas brenhinol
- glas brenhinolcolour
Cite this entry
APA
royal blue. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/royal%20blue
MLA
“royal blue.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/royal%20blue. Accessed November 5, 2026.
Chicago
WatkinsX Dictionary, s.v. “royal blue,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/royal%20blue.
Source: royal blue on Wiktionary, CC BY-SA 4.0.