The hex color #1b09d5 is a dark color. The web-safe version is Hex
#3300CC. A complementary color is
#E4F62A. The grayscale version is
#535353. A 20% lighter version of the original color is
#4E3CFF, and Hex
#0000A2 is the 20% darker color. If the color is saturated by 10%, you get
#1502E2. If the color is desaturated by 10%, the color
#2110C8 is obtained.