The hex color #3b09e5 is a dark color. The web-safe version is Hex
#3300CC. A complementary color is
#C4F61A. The grayscale version is
#636363. A 20% lighter version of the original color is
#6E3CFF, and Hex
#0800B2 is the 20% darker color. If the color is saturated by 10%, you get
#3700F2. If the color is desaturated by 10%, the color
#3F12D8 is obtained.