The hex color #2a0f3f is a dark color. The web-safe version is Hex
#330033. A complementary color is
#D5F0C0. The grayscale version is
#282828. A 20% lighter version of the original color is
#5D4272, and Hex
#00000C is the 20% darker color. If the color is saturated by 10%, you get
#2A0D41. If the color is desaturated by 10%, the color
#2A123D is obtained.