Source Crayola® CSS3 CSS4
#6a6a72
 
#757575
sonic silver
#696969
dim grey
#696969
dimgrey
#535681
 
#58427c
cyber grape
#483d8b
dark slate blue
#483d8b
darkslateblue
#28264f
 
#414a4c
outer space
#191970
midnight blue
#191970
midnightblue
#7575a4
 
#7366bd
blue violet
#778899
light slate grey
#778899
lightslategrey