Source Crayola® CSS3 CSS4
#9fa4a9
 
#979aaa
manatee
#a9a9a9
dark gray
#a9a9a9
darkgrey
#6b6b8b
 
#757575
sonic silver
#708090
slate gray
#708090
slategrey
#1a145b
 
#1a4876
midnight blue
#191970
midnight blue
#191970
midnightblue
#7b8395
 
#95918c
gray
#778899
light slate grey
#778899
lightslategrey
#3d3860
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey