The hex color #1a30d7 is a dark color. The web-safe version is Hex
#3333CC. A complementary color is
#E5CF28. The grayscale version is
#606060. A 20% lighter version of the original color is
#4D63FF, and Hex
#0000A4 is the 20% darker color. If the color is saturated by 10%, you get
#132BE3. If the color is desaturated by 10%, the color
#2135CB is obtained.