二ふた藍あい

noun

deep purple; reddish indigo

A traditional Japanese color name, historically produced by overdyeing indigo with red (madder). Used mainly in historical, literary, or artistic contexts.

• 二ふた藍あいは、平へい安あん時じ代だいの染せん色しょく技ぎ法ほうから生うまれた色いろ名めいだ。