The hex color #a9acfa is a light color. The web-safe version is Hex
#9999FF. A complementary color is
#565305. The grayscale version is
#C5C5C5. A 20% lighter version of the original color is
#DCDFFF, and Hex
#7679C7 is the 20% darker color. If the color is saturated by 10%, you get
#A6AAFF. If the color is desaturated by 10%, the color
#ACAFF5 is obtained.