Old Lavender (#796878)

/* Background */
.element {
    background-color: #796878;
}

/* Text */
.element {
    color: #796878;
}

/* Border */
.element {
    border: 1px solid #796878;
}

/* Linear gradient to complementary */
.element {
    background: linear-gradient(
        to right,
        #796878,
        #688A6A
    );
}

/* Radial gradient */
.element {
    background: radial-gradient(
        circle,
        #796878,
        #688A6A
    );
}

// SCSS variable
$old-lavender: #796878;

// With RGB channels (useful for rgba() usage)
$old-lavender-r: 121;
$old-lavender-g: 104;
$old-lavender-b: 120;

// Usage
.element {
    background-color: $old-lavender;
    color: rgba($old-lavender-r, $old-lavender-g, $old-lavender-b, 0.8);
}