The hex color #ac364c is a dark color. The web-safe version is Hex
#993333. A complementary color is
#53C9B3. The grayscale version is
#656565. A 20% lighter version of the original color is
#DF697F, and Hex
#790319 is the 20% darker color. If the color is saturated by 10%, you get
#B3314A. If the color is desaturated by 10%, the color
#A53B4E is obtained.