紺こん色いろこんいろFreq.FrequencyTop 50,000Meanings1noun, noun which may take the genitive case particle 'no'deep blue; navy blueRefers 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.