The hex color #4b10bc is a dark color. The web-safe version is Hex
#3300CC. A complementary color is
#B4EF43. The grayscale version is
#5D5D5D. A 20% lighter version of the original color is
#7E43EF, and Hex
#180089 is the 20% darker color. If the color is saturated by 10%, you get
#4908C6. If the color is desaturated by 10%, the color
#4D18B3 is obtained.