The hex color #1e35e4 is a dark color. The web-safe version is Hex
#3333CC. A complementary color is
#E1CA1B. The grayscale version is
#686868. A 20% lighter version of the original color is
#5168FF, and Hex
#0002B1 is the 20% darker color. If the color is saturated by 10%, you get
#1730F0. If the color is desaturated by 10%, the color
#253AD8 is obtained.