The hex color #1d50d2 is a dark color. The web-safe version is Hex
#3366CC. A complementary color is
#E2AF2D. The grayscale version is
#6A6A6A. A 20% lighter version of the original color is
#5083FF, and Hex
#001D9F is the 20% darker color. If the color is saturated by 10%, you get
#154DDC. If the color is desaturated by 10%, the color
#2553C8 is obtained.