The hex color #a1b5e3 is a light color. The web-safe version is Hex
#99CCCC. A complementary color is
#5E4A1C. The grayscale version is
#BEBEBE. A 20% lighter version of the original color is
#D4E8FF, and Hex
#6E82B0 is the 20% darker color. If the color is saturated by 10%, you get
#9EB4E7. If the color is desaturated by 10%, the color
#A4B6DF is obtained.