client-app/style/work-order/index.scss

.hc-work-order-page {
    background: #EFEFF4;
    height: 100vh;
    :deep(.work-order-nav-bar) {
        background: #554D84;
        color: white;
    }
    :deep(.work-order-nav) {
        background: #554D84;
        color: white;
        --hc-nav-back: white;
    }
}