Spanish Crimson (#E51A4C)

/* Background */
.element {
    background-color: #E51A4C;
}

/* Text */
.element {
    color: #E51A4C;
}

/* Border */
.element {
    border: 1px solid #E51A4C;
}

/* Linear gradient to complementary */
.element {
    background: linear-gradient(
        to right,
        #E51A4C,
        #CEFCF1
    );
}

/* Radial gradient */
.element {
    background: radial-gradient(
        circle,
        #E51A4C,
        #CEFCF1
    );
}

// SCSS variable
$spanish-crimson: #E51A4C;

// With RGB channels (useful for rgba() usage)
$spanish-crimson-r: 229;
$spanish-crimson-g: 26;
$spanish-crimson-b: 76;

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