The hex color #2034ef is a dark color. The web-safe version is Hex
#3333FF. A complementary color is
#DFCB10. The grayscale version is
#6C6C6C. A 20% lighter version of the original color is
#5367FF, and Hex
#0001BC is the 20% darker color. If the color is saturated by 10%, you get
#182EFC. If the color is desaturated by 10%, the color
#283AE2 is obtained.