(n) indigo (blue)
(n) cobalt blue
(P)
(n) saxe blue
(n) (comp) subroutine name
(n) navy blue
(n) blue jeans
(n) blue sex
homosexual
(n) blue daisy
(n) (comp) Bluetooth (variety of short-range wireless LAN)
(n) blue train
sleeping train (from the original color of the trains) (colour)
(n) blue train
(n) blue backs
(n) blue film
porno(graphic) film
(n) blue-black
(n) blueprint
(n) blue Monday
(n) pre-nuptial doubts (wasei: marriage blue)
(n) methylene blue
(n) engagement doubts (wasei: engage blue)
(n) city blues
(n) jump blues
(n) cerulean blue
(n) turquoise blue
(n,adj-no) peacock blue
(n) Blue Impulse
(n) Blue Mountain (coffee)
(n) Prussian blue
(n) Prussian blue
(n) postpartum blues
(n) Indian blue
