The hex color #3b4add is a dark color. The web-safe version is Hex
#3333CC. A complementary color is
#C4B522. The grayscale version is
#767676. A 20% lighter version of the original color is
#6E7DFF, and Hex
#0817AA is the 20% darker color. If the color is saturated by 10%, you get
#3546E7. If the color is desaturated by 10%, the color
#414ED3 is obtained.