dark blue, navy
紺 centers on a deep, dark shade of blue, specifically navy or dark blue, often associated with fabric or dyeing.
紺 combines 糸 (thread) with 甘, which likely contributes the sound コン. The character originally referred to a dark blue dye or fabric.
Thread 糸 dyed a sweet 甘 deep blue: imagine a spool of thread soaked in rich navy dye, the color so deep it looks almost sweet.
For コン, picture a con artist selling fake navy blue silk: con -> コン, and the thread 糸 is dyed a deceptive dark blue.
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navy blue; deep blue
deep blue; navy blue
dark blue
deep blue; azure
dyer
dark purple; bluish purple
princess-flower (Tibouchina urvilleana)
navy-blue socks
navy-blue socks
navy-blue knee socks
consul
dark blue ground
the shoemaker's children go barefoot; specialists often fail to apply their skills to themselves; the dyer's white hakama
dark blue gem allowing one to recall memories when stroked with one's hand (allegedly possessed by Zhang Yue)
dark blue cloth with white splash patterns
Medal with Dark Blue Ribbon
Prussian blue; deep blue; dark blue; ultramarine
Prussian blue; deep blue; dark blue; ultramarine
navy blue demon residing in hell
dusky purple; dark purple; eggplant color