The hex color #860c0c is a dark color. The web-safe version is Hex
#990000. A complementary color is
#79F3F3. The grayscale version is
#353535. A 20% lighter version of the original color is
#B93F3F, and Hex
#530000 is the 20% darker color. If the color is saturated by 10%, you get
#8E0808. If the color is desaturated by 10%, the color
#7E1010 is obtained.