紺こん色いろ

noun, noun which may take the genitive case particle 'no'

deep blue; navy blue

Refers to a dark, rich blue color, often used for uniforms, fabrics, and traditional Japanese items.

• 彼かれは紺こん色いろのスーツを着きている。

  He is wearing a navy blue suit.

• この紺こん色いろの布ぬのはとても丈じょう夫ぶだ。

  This deep blue cloth is very durable.