What color is Poster, 91 Objects by 91 Designers ?

Source Crayola® CSS3 CSS4
#373843
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#4d587c
 
#4a646c
deep space sparkle
#483d8b
dark slate blue
#483d8b
darkslateblue