The hex color #3a6eb8 is a dark color. The web-safe version is Hex
#3366CC. A complementary color is
#C59147. The grayscale version is
#757575. A 20% lighter version of the original color is
#6DA1EB, and Hex
#073B85 is the 20% darker color. If the color is saturated by 10%, you get
#346DBF. If the color is desaturated by 10%, the color
#406FB1 is obtained.