How to say "azure" in Japanese

• 青あおJLPT N5approx.Common
  no-adjectiveThe noun for the color blue. It covers plain blue through azure without treating azure as a separate shade; use it when naming the color, as in the azure of the sky.
• 青いあおいJLPT N5approx.Common
  i-adjectiveThe adjective for blue. Use it when azure describes something — an azure sky, for example — rather than naming the color itself; for the color as a noun, use 青.
  なぜ空そらが青あおいか知しっているか。↗

  Do you know why the sky is blue?
• 紺碧こんぺきCommon
  nounA noun for deep blue. It suits azure when you want to stress the depth of the color, as in describing the sky or sea; for plain blue, use 青 or 青い instead.

Use the noun 青 for the color blue itself, the adjective 「青い」 to describe something as blue, and 紺碧 when you want to stress a deep blue rather than blue in general.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

• 青あおblue
• 青いあおいblue
• 紺碧こんぺきdeep blue
• アジュールAzure (cloud computing platform run by Microsoft)
• 瑠璃色るりいろlapis lazuli blue