The hex color #1d13e2 is a dark color. The web-safe version is Hex
#3300CC. A complementary color is
#E2EC1D. The grayscale version is
#5B5B5B. A 20% lighter version of the original color is
#5046FF, and Hex
#0000AF is the 20% darker color. If the color is saturated by 10%, you get
#170CEF. If the color is desaturated by 10%, the color
#231AD5 is obtained.