noun, noun which may take the genitive case particle 'no'
Refers to a dark shade of blue, often used for uniforms, suits, and traditional Japanese textiles.
彼は紺のスーツを着ている。
He is wearing a navy blue suit.
紺色のネクタイを買った。
I bought a navy blue tie.
青 is a broader term for blue, while 紺 specifically refers to a dark, navy shade.
藍色 is indigo, a slightly lighter and more purplish blue compared to the deeper 紺.
The kanji 紺 originally referred to a dark blue dye. The reading こん is the on'yomi, and the word has been used in Japanese for centuries to describe a deep blue color.