The hex color #1f54d4 is a dark color. The web-safe version is Hex
#3366CC. A complementary color is
#E0AB2B. The grayscale version is
#6D6D6D. A 20% lighter version of the original color is
#5287FF, and Hex
#0021A1 is the 20% darker color. If the color is saturated by 10%, you get
#1752DE. If the color is desaturated by 10%, the color
#2757CA is obtained.