contrast-square-fill

<svg fill="currentColor" xmlns="http://www.w3.org/2000/svg" width="48" height="48" viewBox="0 -960 960 960"><path d="M180-120q-24 0-42-18t-18-42v-600q0-24 18-42t42-18h600q24 0 42 18t18 42v600q0 24-18 42t-42 18H180Zm0-60h600v-600L180-180Zm540-130H494v-50h226v50ZM224-610h76v76h50v-76h76v-50h-76v-76h-50v76h-76v50Z"/></svg>

<i class="ti ti-contrast-square-fill"></i>

ti ti-contrast-square-fill

<i class="ti ti-034037"></i>

ti ti-034037

<svg aria-hidden="true" focusable="false" fill="currentColor" xmlns="http://www.w3.org/2000/svg" width="48" height="48" viewBox="0 -960 960 960"><path d="M180-120q-24 0-42-18t-18-42v-600q0-24 18-42t42-18h600q24 0 42 18t18 42v600q0 24-18 42t-42 18H180Zm0-60h600v-600L180-180Zm540-130H494v-50h226v50ZM224-610h76v76h50v-76h76v-50h-76v-76h-50v76h-76v50Z"/></svg>

<svg aria-hidden="true" focusable="false" fill="currentColor" xmlns="http://www.w3.org/2000/svg" width="48" height="48" viewBox="0 -960 960 960"><path d="M180-120q-24 0-42-18t-18-42v-600q0-24 18-42t42-18h600q24 0 42 18t18 42v600q0 24-18 42t-42 18H180Zm0-60h600v-600L180-180Zm540-130H494v-50h226v50ZM224-610h76v76h50v-76h76v-50h-76v-76h-50v76h-76v50Z"/></svg>

https://cdn.jsdelivr.net/npm/@ticnob/icons@1/icons/contrast-square-fill.svg