Source Crayola® CSS3 CSS4
#627999
 
#757575
sonic silver
#708090
slate gray
#708090
slategrey
#a0afb6
 
#b0b7c6
cadet blue
#a9a9a9
dark gray
#a9a9a9
darkgrey
#8194a8
 
#979aaa
manatee
#778899
light slate grey
#778899
lightslategrey
#40517a
 
#4a646c
deep space sparkle
#483d8b
dark slate blue
#483d8b
darkslateblue
#2a325c
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey