The hex color #2e16e5 is a dark color. The web-safe version is Hex
#3300CC. A complementary color is
#D1E91A. The grayscale version is
#636363. A 20% lighter version of the original color is
#6149FF, and Hex
#0000B2 is the 20% darker color. If the color is saturated by 10%, you get
#290EF2. If the color is desaturated by 10%, the color
#331ED8 is obtained.