What color is Blueprint, Apartment House, Rue Heine, Plan du Rez de Chaussee ?

Source Crayola® CSS3 CSS4
#5f84a5
 
#5d76cb
indigo
#5f9ea0
cadet blue
#5f9ea0
cadetblue
#879fb1
 
#979aaa
manatee
#a9a9a9
dark gray
#a9a9a9
darkgrey