Source Crayola® CSS3 CSS4
#1c2c36
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#90a7b4
 
#979aaa
manatee
#a9a9a9
dark gray
#a9a9a9
darkgrey
#b3cedb
 
#c5d0e6
periwinkle
#b0c4de
light steel blue
#b0c4de
lightsteelblue
#3c4e59
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey