The hex color #783c5c is a dark color. The web-safe version is Hex
#663366. A complementary color is
#87C3A3. The grayscale version is
#5B5B5B. A 20% lighter version of the original color is
#AB6F8F, and Hex
#450929 is the 20% darker color. If the color is saturated by 10%, you get
#7B395C. If the color is desaturated by 10%, the color
#753F5C is obtained.