The hex color #4b64b4 is a dark color. The web-safe version is Hex
#3366CC. A complementary color is
#B49B4B. The grayscale version is
#767676. A 20% lighter version of the original color is
#7E97E7, and Hex
#183181 is the 20% darker color. If the color is saturated by 10%, you get
#4762BA. If the color is desaturated by 10%, the color
#4F66AE is obtained.