The hex color #3a54cd is a dark color. The web-safe version is Hex
#3366CC. A complementary color is
#C5AB32. The grayscale version is
#747474. A 20% lighter version of the original color is
#6D87FF, and Hex
#07219A is the 20% darker color. If the color is saturated by 10%, you get
#3451D6. If the color is desaturated by 10%, the color
#4057C4 is obtained.