noun, noun which may take the genitive case particle 'no'
A deep blue color, often used in artistic or descriptive contexts. Can function as a noun or as a no-adjective to modify other nouns.
彼女は藍青の着物を着ていた。
She was wearing an indigo blue kimono.
この絵の具は藍青に近い色だ。
This paint is a color close to indigo blue.