Source Crayola® CSS3 CSS4
#667fb9
 
#5d76cb
indigo
#4682b4
steel blue
#4682b4
steelblue
#9ca3af
 
#979aaa
manatee
#a9a9a9
dark gray
#a9a9a9
darkgrey
#415ca9
 
#324ab2
violet blue
#4682b4
steel blue
#4682b4
steelblue