The hex color #1b07b0 is a dark color. The web-safe version is Hex
#330099. A complementary color is
#E4F84F. The grayscale version is
#464646. A 20% lighter version of the original color is
#4E3AE3, and Hex
#00007D is the 20% darker color. If the color is saturated by 10%, you get
#1701BB. If the color is desaturated by 10%, the color
#1F0DA5 is obtained.