The hex color #1a43ea is a dark color. The web-safe version is Hex
#3333FF. A complementary color is
#E5BC15. The grayscale version is
#6D6D6D. A 20% lighter version of the original color is
#4D76FF, and Hex
#0010B7 is the 20% darker color. If the color is saturated by 10%, you get
#123FF7. If the color is desaturated by 10%, the color
#2247DE is obtained.