The hex color #2d23e8 is a dark color. The web-safe version is Hex
#3333FF. A complementary color is
#D2DC17. The grayscale version is
#686868. A 20% lighter version of the original color is
#6056FF, and Hex
#0000B5 is the 20% darker color. If the color is saturated by 10%, you get
#271CF5. If the color is desaturated by 10%, the color
#332ADB is obtained.