Chinese Red (#AA381E)

/* Background */
.element {
    background-color: #AA381E;
}

/* Text */
.element {
    color: #AA381E;
}

/* Border */
.element {
    border: 1px solid #AA381E;
}

/* Linear gradient to complementary */
.element {
    background: linear-gradient(
        to right,
        #AA381E,
        #64D6F0
    );
}

/* Radial gradient */
.element {
    background: radial-gradient(
        circle,
        #AA381E,
        #64D6F0
    );
}

// SCSS variable
$chinese-red: #AA381E;

// With RGB channels (useful for rgba() usage)
$chinese-red-r: 170;
$chinese-red-g: 56;
$chinese-red-b: 30;

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