The hex color #ab0c1f is a dark color. The web-safe version is Hex
#990033. A complementary color is
#54F3E0. The grayscale version is
#474747. A 20% lighter version of the original color is
#DE3F52, and Hex
#780000 is the 20% darker color. If the color is saturated by 10%, you get
#B5061B. If the color is desaturated by 10%, the color
#A11223 is obtained.