Source Crayola® CSS3 CSS4
#91bad4
 
#a2add0
wild blue yonder
#87ceeb
sky blue
#87ceeb
skyblue
#638aa7
 
#6699cc
blue gray
#5f9ea0
cadet blue
#5f9ea0
cadetblue
#c3dfed
 
#c5d0e6
periwinkle
#b0e0e6
powder blue
#b0e0e6
powderblue
#466b76
 
#4a646c
deep space sparkle
#696969
dim grey
#696969
dimgrey
#2f3e44
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey