The hex color #1a2ccd is a dark color. The web-safe version is Hex
#3333CC. A complementary color is
#E5D332. The grayscale version is
#5C5C5C. A 20% lighter version of the original color is
#4D5FFF, and Hex
#00009A is the 20% darker color. If the color is saturated by 10%, you get
#1327D8. If the color is desaturated by 10%, the color
#2131C2 is obtained.