The hex color #a1a8c3 is a light color. The web-safe version is Hex
#9999CC. A complementary color is
#5E573C. The grayscale version is
#AFAFAF. A 20% lighter version of the original color is
#D4DBF6, and Hex
#6E7590 is the 20% darker color. If the color is saturated by 10%, you get
#A0A7C5. If the color is desaturated by 10%, the color
#A2A9C1 is obtained.