The hex color #838bb7 is a light color. The web-safe version is Hex
#9999CC. A complementary color is
#7C7448. The grayscale version is
#979797. A 20% lighter version of the original color is
#B6BEEA, and Hex
#505884 is the 20% darker color. If the color is saturated by 10%, you get
#818ABA. If the color is desaturated by 10%, the color
#858CB4 is obtained.