Source Crayola® CSS3 CSS4
#cbdee2
 
#c5d0e6
periwinkle
#dcdcdc
gainsboro
#dcdcdc
gainsboro
#77a7b6
 
#6699cc
blue gray
#5f9ea0
cadet blue
#5f9ea0
cadetblue
#3d6f8b
 
#2e5894
b'dazzled blue
#4682b4
steel blue
#4682b4
steelblue
#345269
 
#4a646c
deep space sparkle
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey