The hex color #1d15d5 is a dark color. The web-safe version is Hex
#3300CC. A complementary color is
#E2EA2A. The grayscale version is
#585858. A 20% lighter version of the original color is
#5048FF, and Hex
#0000A2 is the 20% darker color. If the color is saturated by 10%, you get
#170EE2. If the color is desaturated by 10%, the color
#231CC8 is obtained.