The hex color #2a3ad2 is a dark color. The web-safe version is Hex
#3333CC. A complementary color is
#D5C52D. The grayscale version is
#676767. A 20% lighter version of the original color is
#5D6DFF, and Hex
#00079F is the 20% darker color. If the color is saturated by 10%, you get
#2435DD. If the color is desaturated by 10%, the color
#303FC7 is obtained.