The hex color #370c4c is a dark color. The web-safe version is Hex
#330033. A complementary color is
#C8F3B3. The grayscale version is
#303030. A 20% lighter version of the original color is
#6A3F7F, and Hex
#040019 is the 20% darker color. If the color is saturated by 10%, you get
#38084F. If the color is desaturated by 10%, the color
#361049 is obtained.