The hex color #1a43e2 is a dark color. The web-safe version is Hex
#3333CC. A complementary color is
#E5BC1D. The grayscale version is
#6A6A6A. A 20% lighter version of the original color is
#4D76FF, and Hex
#0010AF is the 20% darker color. If the color is saturated by 10%, you get
#123FEE. If the color is desaturated by 10%, the color
#2247D6 is obtained.