The hex color #1f73e5 is a dark color. The web-safe version is Hex
#3366CC. A complementary color is
#E08C1A. The grayscale version is
#7D7D7D. A 20% lighter version of the original color is
#52A6FF, and Hex
#0040B2 is the 20% darker color. If the color is saturated by 10%, you get
#1672EF. If the color is desaturated by 10%, the color
#2874DB is obtained.