The hex color #3d2dbe is a dark color. The web-safe version is Hex
#3333CC. A complementary color is
#C2D241. The grayscale version is
#636363. A 20% lighter version of the original color is
#7060F1, and Hex
#0A008B is the 20% darker color. If the color is saturated by 10%, you get
#3928C7. If the color is desaturated by 10%, the color
#4132B5 is obtained.