Japanese Indigo (#264348)

/* Background */
.element {
    background-color: #264348;
}

/* Text */
.element {
    color: #264348;
}

/* Border */
.element {
    border: 1px solid #264348;
}

/* Linear gradient to complementary */
.element {
    background: linear-gradient(
        to right,
        #264348,
        #6A3026
    );
}

/* Radial gradient */
.element {
    background: radial-gradient(
        circle,
        #264348,
        #6A3026
    );
}

// SCSS variable
$japanese-indigo: #264348;

// With RGB channels (useful for rgba() usage)
$japanese-indigo-r: 38;
$japanese-indigo-g: 67;
$japanese-indigo-b: 72;

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