NuxtImage/NuxtPicture using low-quality/low-resolution image

<UCarousel v-slot="{item}" :items="costume.images" arrows indicators class="h-96">
    <NuxtPicture :src="item"
                 class="nuxt-image w-full h-96"
                 format="avif,webp"
                 :placeholder="[64, 64, 60, 1]"/>
</UCarousel>

.nuxt-image {
    :deep(img) {
        width: 100%;
        height: 100%;
    }
}