The hex color #3b35e4 is a dark color. The web-safe version is Hex
#3333CC. A complementary color is
#C4CA1B. The grayscale version is
#717171. A 20% lighter version of the original color is
#6E68FF, and Hex
#0802B1 is the 20% darker color. If the color is saturated by 10%, you get
#362FEF. If the color is desaturated by 10%, the color
#403BD9 is obtained.