The hex color #490AE2 is a dark color. The web-safe version is Hex
#3300CC. A complementary color is
#B6F51D. The grayscale version is
#676767. A 20% lighter version of the original color is
#7C3DFF, and Hex
#1600AF is the 20% darker color. If the color is saturated by 10%, you get
#4601EE. If the color is desaturated by 10%, the color
#4C13D6 is obtained.