diff --git a/packages/rocketchat-theme/client/imports/general/base_old.css b/packages/rocketchat-theme/client/imports/general/base_old.css
index f27c433b735f..50df7449b4c6 100644
--- a/packages/rocketchat-theme/client/imports/general/base_old.css
+++ b/packages/rocketchat-theme/client/imports/general/base_old.css
@@ -1702,8 +1702,7 @@
 	white-space: nowrap;
 	text-overflow: ellipsis;
 
-	color: white;
-	background-color: #04436a;
+	color: var(--rc-color-content);
 
 	font-size: 1.2em;
 	line-height: 40px;
diff --git a/packages/rocketchat-theme/server/colors.less b/packages/rocketchat-theme/server/colors.less
index 89bfaa2391ac..1f7df2e7b369 100755
--- a/packages/rocketchat-theme/server/colors.less
+++ b/packages/rocketchat-theme/server/colors.less
@@ -947,3 +947,7 @@ label.required::after {
 .range-slider-range::-moz-range-track {
 	background-color: @tertiary-background-color;
 }
+
+.announcement {
+	background-color: @primary-background-color;
+}