diff --git a/src/js/_enqueues/vendor/thickbox/thickbox.css b/src/js/_enqueues/vendor/thickbox/thickbox.css
index f27abdb473..e642bfdcbf 100644
--- a/src/js/_enqueues/vendor/thickbox/thickbox.css
+++ b/src/js/_enqueues/vendor/thickbox/thickbox.css
@@ -143,7 +143,7 @@
 
 #TB_closeWindowButton:hover .tb-close-icon,
 #TB_closeWindowButton:focus .tb-close-icon {
-	color: #00a0d2;
+	color: #006799;
 }
 
 #TB_closeWindowButton:focus .tb-close-icon {
diff --git a/src/wp-admin/css/common.css b/src/wp-admin/css/common.css
index ba9bcb9ad9..90cd988bc7 100644
--- a/src/wp-admin/css/common.css
+++ b/src/wp-admin/css/common.css
@@ -225,7 +225,7 @@ div {
 
 a:hover,
 a:active {
-	color: #00a0d2;
+	color: #006799;
 }
 
 a:focus,
@@ -1028,7 +1028,7 @@ th.action-links {
 .filter-links li > a:focus,
 .show-filters .filter-links a.current:hover,
 .show-filters .filter-links a.current:focus {
-	color: #00a0d2;
+	color: #006799;
 }
 
 .wp-filter .search-form {
@@ -1091,7 +1091,7 @@ th.action-links {
 .wp-filter .button.drawer-toggle:focus,
 .wp-filter .drawer-toggle:focus:before {
 	background-color: transparent;
-	color: #00a0d2;
+	color: #006799;
 }
 
 .wp-filter .button.drawer-toggle:hover,
@@ -2918,7 +2918,7 @@ div.action-links {
 
 .plugin-details-modal #TB_closeWindowButton:hover,
 .plugin-details-modal #TB_closeWindowButton:focus {
-	color: #00a0d2;
+	color: #006799;
 	outline: none;
 	box-shadow: none;
 }
diff --git a/src/wp-admin/css/edit.css b/src/wp-admin/css/edit.css
index a65f7ab063..edc4525be5 100644
--- a/src/wp-admin/css/edit.css
+++ b/src/wp-admin/css/edit.css
@@ -972,7 +972,7 @@ strong.privacy-policy-tutorial {
 }
 
 a.post-format-icon:hover:before {
-	color: #00a0d2;
+	color: #006799;
 }
 
 #post-formats-select {
diff --git a/src/wp-admin/css/forms.css b/src/wp-admin/css/forms.css
index 7cc8806498..85ce30eae6 100644
--- a/src/wp-admin/css/forms.css
+++ b/src/wp-admin/css/forms.css
@@ -142,7 +142,7 @@ input[type="radio"]:checked + label:before {
 
 .wp-core-ui input[type="reset"]:hover,
 .wp-core-ui input[type="reset"]:active {
-	color: #00a0d2;
+	color: #006799;
 }
 
 td > input[type="checkbox"],
diff --git a/src/wp-admin/css/install.css b/src/wp-admin/css/install.css
index 1572c48e1d..4c60c51437 100644
--- a/src/wp-admin/css/install.css
+++ b/src/wp-admin/css/install.css
@@ -20,7 +20,7 @@ a {
 
 a:hover,
 a:active {
-	color: #00a0d2;
+	color: #006799;
 }
 
 a:focus {
diff --git a/src/wp-admin/css/login.css b/src/wp-admin/css/login.css
index b7cd93c2d0..d952e4b5f5 100644
--- a/src/wp-admin/css/login.css
+++ b/src/wp-admin/css/login.css
@@ -27,7 +27,7 @@ a {
 
 a:hover,
 a:active {
-	color: #00a0d2;
+	color: #006799;
 }
 
 a:focus {
@@ -296,7 +296,7 @@ p {
 .login #nav a:hover,
 .login #backtoblog a:hover,
 .login h1 a:hover {
-	color: #00a0d2;
+	color: #006799;
 }
 
 .login #nav a:focus,
diff --git a/src/wp-admin/css/media.css b/src/wp-admin/css/media.css
index 1cb1112abb..0385121a6d 100644
--- a/src/wp-admin/css/media.css
+++ b/src/wp-admin/css/media.css
@@ -306,7 +306,7 @@
 
 #find-posts-close:hover,
 #find-posts-close:focus {
-	color: #00a0d2;
+	color: #006799;
 }
 
 #find-posts-close:focus {
diff --git a/src/wp-includes/css/buttons.css b/src/wp-includes/css/buttons.css
index b505af2053..904633a0fe 100644
--- a/src/wp-includes/css/buttons.css
+++ b/src/wp-includes/css/buttons.css
@@ -205,7 +205,7 @@ TABLE OF CONTENTS:
 
 .wp-core-ui .button-link:hover,
 .wp-core-ui .button-link:active {
-	color: #00a0d2;
+	color: #006799;
 }
 
 .wp-core-ui .button-link:focus {
diff --git a/src/wp-includes/css/editor.css b/src/wp-includes/css/editor.css
index fe3bd106fa..1ca4387d77 100644
--- a/src/wp-includes/css/editor.css
+++ b/src/wp-includes/css/editor.css
@@ -82,7 +82,7 @@
 
 .mce-window-head .mce-close:hover .mce-i-remove:before,
 .mce-window-head .mce-close:focus .mce-i-remove:before {
-	color: #00a0d2;
+	color: #006799;
 }
 
 .mce-window-head .mce-close:focus .mce-i-remove,
@@ -1446,7 +1446,7 @@ i.mce-i-wp_code:before {
 
 #wp-link-close:hover,
 #wp-link-close:focus {
-	color: #00a0d2;
+	color: #006799;
 }
 
 #wp-link-close:focus {
diff --git a/src/wp-includes/css/jquery-ui-dialog.css b/src/wp-includes/css/jquery-ui-dialog.css
index 5992d7993b..c89ec4d7c2 100644
--- a/src/wp-includes/css/jquery-ui-dialog.css
+++ b/src/wp-includes/css/jquery-ui-dialog.css
@@ -307,7 +307,7 @@
 
 .ui-button.ui-dialog-titlebar-close:hover,
 .ui-button.ui-dialog-titlebar-close:focus {
-	color: #00a0d2;
+	color: #006799;
 }
 
 .ui-button.ui-dialog-titlebar-close:focus {
diff --git a/src/wp-includes/css/media-views.css b/src/wp-includes/css/media-views.css
index 00fb52b519..be42cb7e18 100644
--- a/src/wp-includes/css/media-views.css
+++ b/src/wp-includes/css/media-views.css
@@ -41,7 +41,7 @@
 
 .media-frame a:hover,
 .media-frame a:active {
-	color: #00a0d2;
+	color: #006799;
 }
 
 .media-frame a:focus {
@@ -236,11 +236,11 @@
 
 .media-modal-close:hover,
 .media-modal-close:active {
-	color: #00a0d2;
+	color: #006799;
 }
 
 .media-modal-close:focus {
-	color: #00a0d2;
+	color: #006799;
 	border-color: #5b9dd9;
 	box-shadow: 0 0 3px rgba(0, 115, 170, 0.8);
 	/* Only visible in Windows High Contrast mode */
@@ -1597,7 +1597,7 @@
 
 .media-selection .button-link:hover,
 .media-selection .button-link:focus {
-	color: #00a0d2;
+	color: #006799;
 }
 
 .media-selection .button-link:last-child {
diff --git a/src/wp-includes/functions.php b/src/wp-includes/functions.php
index acc4a5057b..ec2229be50 100644
--- a/src/wp-includes/functions.php
+++ b/src/wp-includes/functions.php
@@ -3487,7 +3487,7 @@ function _default_wp_die_handler( $message, $title = '', $args = array() ) {
 		}
 		a:hover,
 		a:active {
-			color: #00a0d2;
+			color: #006799;
 		}
 		a:focus {
 			color: #124964;