What color is Drawing, House and Sailboats, Rockport, mid-20th century ?

Source Crayola® CSS3 CSS4
#a6bac6
 
#b0b7c6
cadet blue
#c0c0c0
silver
#c0c0c0
silver
#7c9bbe
 
#6699cc
blue gray
#5f9ea0
cadet blue
#5f9ea0
cadetblue
#6378b3
 
#5d76cb
indigo
#4682b4
steel blue
#4682b4
steelblue