What color is Poster, Jonathan Jones: untitled (the tyranny of distance) ?

Source Crayola® CSS3 CSS4
#353a45
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#6fa6d1
 
#6699cc
blue gray
#6495ed
cornflower blue
#6495ed
cornflowerblue
#cfdeea
 
#c5d0e6
periwinkle
#dcdcdc
gainsboro
#dcdcdc
gainsboro
#26587f
 
#1a4876
midnight blue
#483d8b
dark slate blue
#483d8b
darkslateblue