What color is Drawing (Netherlands) ?

Source Crayola® CSS3 CSS4
#67738b
 
#757575
sonic silver
#708090
slate gray
#708090
slategrey
#848d9b
 
#95918c
gray
#778899
light slate grey
#778899
lightslategrey
#4c587a
 
#4a646c
deep space sparkle
#483d8b
dark slate blue
#483d8b
darkslateblue