The hex color #a3749b is a light color. The web-safe version is Hex
#996699. A complementary color is
#5C8B64. The grayscale version is
#919191. A 20% lighter version of the original color is
#D6A7CE, and Hex
#704168 is the 20% darker color. If the color is saturated by 10%, you get
#A5719C. If the color is desaturated by 10%, the color
#A1779A is obtained.