The hex color #3d06c0 is a dark color. The web-safe version is Hex
#3300CC. A complementary color is
#C2F93F. The grayscale version is
#565656. A 20% lighter version of the original color is
#7039F3, and Hex
#0A008D is the 20% darker color. If the color is saturated by 10%, you get
#3A00CB. If the color is desaturated by 10%, the color
#400EB5 is obtained.