The hex color #1b01a0 is a dark color. The web-safe version is Hex
#330099. A complementary color is
#E4FE5F. The grayscale version is
#3F3F3F. A 20% lighter version of the original color is
#4E34D3, and Hex
#00006D is the 20% darker color. If the color is saturated by 10%, you get
#1700AA. If the color is desaturated by 10%, the color
#1F0796 is obtained.