The hex color #406bf8 is a dark color. The web-safe version is Hex
#3366FF. A complementary color is
#BF9407. The grayscale version is
#8C8C8C. A 20% lighter version of the original color is
#739EFF, and Hex
#0D38C5 is the 20% darker color. If the color is saturated by 10%, you get
#3868FF. If the color is desaturated by 10%, the color
#486EED is obtained.