The hex color #490be2 is a dark color. The web-safe version is Hex
#3300CC. A complementary color is
#B6F41D. The grayscale version is
#676767. A 20% lighter version of the original color is
#7C3EFF, and Hex
#1600AF is the 20% darker color. If the color is saturated by 10%, you get
#4602EE. If the color is desaturated by 10%, the color
#4C14D6 is obtained.