Source Crayola® CSS3 CSS4
#b8b2ab
 
#b0b7c6
cadet blue
#a9a9a9
dark gray
#a9a9a9
darkgrey
#597bbb
 
#5d76cb
indigo
#4682b4
steel blue
#4682b4
steelblue
#8e96aa
 
#979aaa
manatee
#778899
light slate grey
#778899
lightslategrey