The hex color #2d58d1 is a dark color. The web-safe version is Hex
#3366CC. A complementary color is
#D2A72E. The grayscale version is
#727272. A 20% lighter version of the original color is
#608BFF, and Hex
#00259E is the 20% darker color. If the color is saturated by 10%, you get
#2655DB. If the color is desaturated by 10%, the color
#345BC8 is obtained.