noun
A deep blue color, often used in fashion, design, and art contexts.
彼女はインジゴブルーのドレスを着ていた。
She was wearing an indigo blue dress.
Variant with interpunct; less common in running text.
藍色 is the traditional Japanese indigo color, often associated with natural dyes and historical contexts, while インジゴブルー is a loanword used for the same hue in modern or Western contexts.
Loanword from English 'indigo blue'.