紺 - dark blue, navy

dyer

navy blue; deep blue

dark blue

dark blue ground

Prussian blue; deep blue; dark blue; ultramarine

dark blue gem allowing one to recall memories when stroked with one's hand (allegedly possessed by Zhang Yue)

princess-flower (Tibouchina urvilleana)

navy blue demon residing in hell

navy-blue knee socks

Prussian blue; deep blue; dark blue; ultramarine

dark blue cloth with white splash patterns

Medal with Dark Blue Ribbon