Source Crayola® CSS3 CSS4
#3d426a
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#8e8f97
 
#95918c
gray
#778899
light slate grey
#778899
lightslategrey
#b5b4a9
 
#b0b7c6
cadet blue
#a9a9a9
dark gray
#a9a9a9
darkgrey
#6a6e86
 
#757575
sonic silver
#708090
slate gray
#708090
slategrey