The hex color #ad032b is a dark color. The web-safe version is Hex
#990033. A complementary color is
#52FCD4. The grayscale version is
#494949. A 20% lighter version of the original color is
#E0365E, and Hex
#7A0000 is the 20% darker color. If the color is saturated by 10%, you get
#B70028. If the color is desaturated by 10%, the color
#A30A2E is obtained.