The hex color #a8b9d4 is a light color. The web-safe version is Hex
#99CCCC. A complementary color is
#57462B. The grayscale version is
#BCBCBC. A 20% lighter version of the original color is
#DBECFF, and Hex
#7586A1 is the 20% darker color. If the color is saturated by 10%, you get
#A6B9D6. If the color is desaturated by 10%, the color
#AAB9D2 is obtained.