The hex color #a50039 is a dark color. The web-safe version is Hex
#990033. A complementary color is
#5AFFC6. The grayscale version is
#4A4A4A. A 20% lighter version of the original color is
#D8336C, and Hex
#720006 is the 20% darker color. If the color is saturated by 10%, you get
#AE0037. If the color is desaturated by 10%, the color
#9C073B is obtained.