The hex color #a8305b is a dark color. The web-safe version is Hex
#993366. A complementary color is
#57CFA4. The grayscale version is
#666666. A 20% lighter version of the original color is
#DB638E, and Hex
#750028 is the 20% darker color. If the color is saturated by 10%, you get
#AF2B5A. If the color is desaturated by 10%, the color
#A1355C is obtained.