The hex color #2a30fb is a dark color. The web-safe version is Hex
#3333FF. A complementary color is
#D5CF04. The grayscale version is
#727272. A 20% lighter version of the original color is
#5D63FF, and Hex
#0000C8 is the 20% darker color. If the color is saturated by 10%, you get
#2329FF. If the color is desaturated by 10%, the color
#3137ED is obtained.