What color is Blueprint, Apartment house, Rue Heine, Plan du 3e Etage ?

Source Crayola® CSS3 CSS4
#527ea3
 
#5d76cb
indigo
#4682b4
steel blue
#4682b4
steelblue
#9db3be
 
#a2add0
wild blue yonder
#a9a9a9
dark gray
#a9a9a9
darkgrey
#7598b1
 
#6699cc
blue gray
#5f9ea0
cadet blue
#5f9ea0
cadetblue