The hex color #1f47e3 is a dark color. The web-safe version is Hex
#3333CC. A complementary color is
#E0B81C. The grayscale version is
#6E6E6E. A 20% lighter version of the original color is
#527AFF, and Hex
#0014B0 is the 20% darker color. If the color is saturated by 10%, you get
#1743EF. If the color is desaturated by 10%, the color
#274BD7 is obtained.