The hex color #a1b3d9 is a light color. The web-safe version is Hex
#99CCCC. A complementary color is
#5E4C26. The grayscale version is
#BABABA. A 20% lighter version of the original color is
#D4E6FF, and Hex
#6E80A6 is the 20% darker color. If the color is saturated by 10%, you get
#9FB2DC. If the color is desaturated by 10%, the color
#A3B4D6 is obtained.