What color is Poster, International Design Center Nagoya ?

Source Crayola® CSS3 CSS4
#28293e
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#c3bfcb
 
#cdc5c2
silver
#c0c0c0
silver
#c0c0c0
silver
#2d255a
 
#414a4c
outer space
#191970
midnight blue
#191970
midnightblue
#706a89
 
#757575
sonic silver
#708090
slate gray
#708090
slategrey
#4f4e6b
 
#4a646c
deep space sparkle
#483d8b
dark slate blue
#483d8b
darkslateblue