The hex color #3b49d2 is a dark color. The web-safe version is Hex
#3333CC. A complementary color is
#C4B62D. The grayscale version is
#727272. A 20% lighter version of the original color is
#6E7CFF, and Hex
#08169F is the 20% darker color. If the color is saturated by 10%, you get
#3645DC. If the color is desaturated by 10%, the color
#414DC8 is obtained.