src/ccDarkTheme/components/inputs/_switch.scss

.mdc-switch:not(.mdc-switch--checked) .mdc-switch__track {
  background-color: #7d7d7d!important; /* custom value */
}

.mdc-switch:not(.mdc-switch--checked) .mdc-switch__thumb {
  border-color: #fff!important; /* custom value */
}

.mdc-switch.mdc-switch--checked .mdc-switch__track {
  background-color: var(--TWPT-blue-A100)!important;
}

.mdc-switch.mdc-switch--checked .mdc-switch__thumb {
  border-color: var(--TWPT-blue-A100)!important;
}