The hex color #3b0fdc is a dark color. The web-safe version is Hex
#3300CC. A complementary color is
#C4F023. The grayscale version is
#626262. A 20% lighter version of the original color is
#6E42FF, and Hex
#0800A9 is the 20% darker color. If the color is saturated by 10%, you get
#3707E8. If the color is desaturated by 10%, the color
#3F17D0 is obtained.