Tyrian Purple (#66023C)

/* Background */
.element {
    background-color: #66023C;
}

/* Text */
.element {
    color: #66023C;
}

/* Border */
.element {
    border: 1px solid #66023C;
}

/* Linear gradient to complementary */
.element {
    background: linear-gradient(
        to right,
        #66023C,
        #02CA56
    );
}

/* Radial gradient */
.element {
    background: radial-gradient(
        circle,
        #66023C,
        #02CA56
    );
}

// SCSS variable
$tyrian-purple: #66023C;

// With RGB channels (useful for rgba() usage)
$tyrian-purple-r: 102;
$tyrian-purple-g: 2;
$tyrian-purple-b: 60;

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