The hex color #3e00bb is a dark color. The web-safe version is Hex
#3300CC. A complementary color is
#C1FF44. The grayscale version is
#535353. A 20% lighter version of the original color is
#7133EE, and Hex
#0B0088 is the 20% darker color. If the color is saturated by 10%, you get
#3C00C5. If the color is desaturated by 10%, the color
#4008B1 is obtained.