The hex color #390c2a is a dark color. The web-safe version is Hex
#330033. A complementary color is
#C6F3D5. The grayscale version is
#252525. A 20% lighter version of the original color is
#6C3F5D, and Hex
#060000 is the 20% darker color. If the color is saturated by 10%, you get
#3B0A2B. If the color is desaturated by 10%, the color
#370F2A is obtained.