The hex color #434ceb is a dark color. The web-safe version is Hex
#3333FF. A complementary color is
#BCB314. The grayscale version is
#7E7E7E. A 20% lighter version of the original color is
#767FFF, and Hex
#1019B8 is the 20% darker color. If the color is saturated by 10%, you get
#3D47F6. If the color is desaturated by 10%, the color
#4951E0 is obtained.