Source Crayola® CSS3 CSS4
#6b6e80
 
#757575
sonic silver
#696969
dim grey
#696969
dimgrey
#758fa5
 
#979aaa
manatee
#778899
light slate grey
#778899
lightslategrey
#343a62
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#191347
 
#414a4c
outer space
#191970
midnight blue
#191970
midnightblue