The hex color #1a39d2 is a dark color. The web-safe version is Hex
#3333CC. A complementary color is
#E5C62D. The grayscale version is
#626262. A 20% lighter version of the original color is
#4D6CFF, and Hex
#00069F is the 20% darker color. If the color is saturated by 10%, you get
#1335DD. If the color is desaturated by 10%, the color
#213DC7 is obtained.