藍 / 青黛

あい / せいたい

藍 is the indigo plant and 青黛 its prepared blue; together they are the dye basis of 藍色.

Tobunken's 彩色DB records 藍 (indigo plant) and 青黛 (indigo blue) in Nara-period documents.

Dye-material context only. The displayed HEX is a screen approximation, not a measured textile value.