藍色 あいいろ Also written らんしょく Meanings Noun, の-adjective indigo blue; indigo Kanji 藍 indigo. Read as あい. 色 color. Read as いろ. Example sentences 藍色は日本の伝統色のひとつです。Indigo blue is one of Japan's traditional colours. Words containing 藍色 藍色細菌 (あいいろさいきん) blue-green bacterium Jinuma: Japanese Dictionary · Word lists