The hex color #1f6fd5 is a dark color. The web-safe version is Hex
#3366CC. A complementary color is
#E0902A. The grayscale version is
#767676. A 20% lighter version of the original color is
#52A2FF, and Hex
#003CA2 is the 20% darker color. If the color is saturated by 10%, you get
#166EDE. If the color is desaturated by 10%, the color
#2870CC is obtained.