The hex color #1d25d8 is a dark color. The web-safe version is Hex
#3333CC. A complementary color is
#E2DA27. The grayscale version is
#5E5E5E. A 20% lighter version of the original color is
#5058FF, and Hex
#0000A5 is the 20% darker color. If the color is saturated by 10%, you get
#171FE4. If the color is desaturated by 10%, the color
#242BCC is obtained.