The hex color #4b49b0 is a dark color. The web-safe version is Hex
#333399. A complementary color is
#B4B64F. The grayscale version is
#6C6C6C. A 20% lighter version of the original color is
#7E7CE3, and Hex
#18167D is the 20% darker color. If the color is saturated by 10%, you get
#4846B7. If the color is desaturated by 10%, the color
#4E4DA9 is obtained.