What color is Journal, Výtvarné snahy (Art endeavors), 1928-1929 ?

Source Crayola® CSS3 CSS4
#3d5c8b
 
#2e5894
b'dazzled blue
#483d8b
dark slate blue
#483d8b
darkslateblue
#b5b2aa
 
#b0b7c6
cadet blue
#a9a9a9
dark gray
#a9a9a9
darkgrey
#677288
 
#757575
sonic silver
#708090
slate gray
#708090
slategrey