The hex color #783a80 is a dark color. The web-safe version is Hex
#663399. A complementary color is
#87C57F. The grayscale version is
#666666. A 20% lighter version of the original color is
#AB6DB3, and Hex
#45074D is the 20% darker color. If the color is saturated by 10%, you get
#7A3683. If the color is desaturated by 10%, the color
#763E7D is obtained.