What color is Poster, Vlaggenvliegers uit Nagasaki [Kites from Nagasaki] ?

Source Crayola® CSS3 CSS4
#6893c7
 
#6699cc
blue gray
#6495ed
cornflower blue
#6495ed
cornflowerblue
#aeaaa5
 
#979aaa
manatee
#a9a9a9
dark gray
#a9a9a9
darkgrey
#a4233a
 
#9c2542
big dip o' ruby
#a52a2a
brown
#a52a2a
brown
#3a426e
 
#58427c
cyber grape
#483d8b
dark slate blue
#483d8b
darkslateblue
#3e324b
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey