blue; indigo plant

cabbage; Chinese broccoli; gai larn

azure; sky-blue

dark blue

bright blue

Buddhist temple (loanword from Sanskrit "samgharama")

pinkish blue

sky blue

sapphire blue

light blue

Deep Blue, chess-playing computer, first to defeat reigning world champion, developed by IBM (1985-1997)

dark blue

azure

(usu. of the sky) azure; bright blue

dark blue

methylene blue

Chinese broccoli; Chinese kale; cabbage mustard; Brassica oleracea var. alboglabra; also pr. [jie4 lan2]

kohlrabi (Brassica oleracea)

Isatis tinctoria (woad, a brassica producing blue dye)

indigo dye; Polygonum tinctorium

indigo (dye)

cloisonne; cloisonné

navy blue

alkali blue

red cabbage; purple cabbage

jiaogulan (Gynostemma pentaphyllum)

European wild cabbage (Brassica oleracea)

Brussels sprouts (Brassica oleracea L. var. gemmifera)

cabbage

kale

rutabaga (vegetable)

lit. the color blue is made out of indigo but is more vivid than indigo (idiom); fig. the student surpasses the master