The hex color #2f29f4 is a dark color. The web-safe version is Hex
#3333FF. A complementary color is
#D0D60B. The grayscale version is
#6F6F6F. A 20% lighter version of the original color is
#625CFF, and Hex
#0000C1 is the 20% darker color. If the color is saturated by 10%, you get
#2922FF. If the color is desaturated by 10%, the color
#3530E7 is obtained.