The hex color #2d45e7 is a dark color. The web-safe version is Hex
#3333FF. A complementary color is
#D2BA18. The grayscale version is
#737373. A 20% lighter version of the original color is
#6078FF, and Hex
#0012B4 is the 20% darker color. If the color is saturated by 10%, you get
#2640F3. If the color is desaturated by 10%, the color
#344ADB is obtained.