紺 - dark blue, navy

dyer

dark blue

navy blue; deep blue

deep blue; navy blue

Prussian blue; deep blue; dark blue; ultramarine

dark blue ground

dark purple; bluish purple

dusky purple; dark purple; eggplant color

Medal with Dark Blue Ribbon

deep blue; azure

consul

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