noun, noun which may take the genitive case particle 'no'
A dark shade of blue, often used in fashion and design. The cross-reference 濃紺 (のうこん) is a native Japanese equivalent.
See also: 濃紺 (のうこん)
彼女はネイビーブルーのスーツを着ていた。
She was wearing a navy blue suit.
このネイビーブルーの壁
This navy blue wallpaper gives a calm atmosphere.