The hex color #4c00b2 is a dark color. The web-safe version is Hex
#330099. A complementary color is
#B3FF4D. The grayscale version is
#555555. A 20% lighter version of the original color is
#7F33E5, and Hex
#19007F is the 20% darker color. If the color is saturated by 10%, you get
#4B00BB. If the color is desaturated by 10%, the color
#4D08A9 is obtained.