diff --git a/web_company_color/README.rst b/web_company_color/README.rst
index e3f14499b0b8..8c7f3b88bace 100644
--- a/web_company_color/README.rst
+++ b/web_company_color/README.rst
@@ -34,6 +34,10 @@ Web Company Color
 
 This module change navbar colors based in the company logo colors.
 
+The navbar background color is also used as the browser theme color, so
+mobile browsers paint their address bar with the same color as the
+navbar.
+
 **Table of contents**
 
 .. contents::
diff --git a/web_company_color/models/__init__.py b/web_company_color/models/__init__.py
index 8677b09f5075..0e3633b4e713 100644
--- a/web_company_color/models/__init__.py
+++ b/web_company_color/models/__init__.py
@@ -3,3 +3,4 @@
 from . import assetsbundle
 from . import res_company
 from . import ir_qweb
+from . import ir_http
diff --git a/web_company_color/models/assetsbundle.py b/web_company_color/models/assetsbundle.py
index e416e20a28cd..a9277e60382d 100644
--- a/web_company_color/models/assetsbundle.py
+++ b/web_company_color/models/assetsbundle.py
@@ -1,20 +1,10 @@
 # Copyright 2020 Alexandre Díaz <dev@redneboa.es>
 # License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
-from odoo.http import request
-
 from odoo.addons.base.models.assetsbundle import AssetsBundle
 
 
 class AssetsBundleCompanyColor(AssetsBundle):
     def get_company_color_asset_node(self):
         """Process the user active company scss and returns the node to inject"""
-        try:
-            active_company_id = int(
-                request.httprequest.cookies.get("cids", "").split("-")[0]
-            )
-        except Exception:
-            active_company_id = False
-        company_id = (
-            self.env["res.company"].browse(active_company_id) or self.env.company
-        )
+        company_id = self.env["res.company"]._get_web_company_color_active_company()
         return company_id.scss_get_url()
diff --git a/web_company_color/models/ir_http.py b/web_company_color/models/ir_http.py
new file mode 100644
index 000000000000..e0606581696b
--- /dev/null
+++ b/web_company_color/models/ir_http.py
@@ -0,0 +1,12 @@
+# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
+from odoo import models
+
+
+class IrHttp(models.AbstractModel):
+    _inherit = "ir.http"
+
+    def webclient_rendering_context(self):
+        res = super().webclient_rendering_context()
+        company = self.env["res.company"]._get_web_company_color_active_company()
+        res["web_company_color_theme_color"] = company._get_theme_color()
+        return res
diff --git a/web_company_color/models/res_company.py b/web_company_color/models/res_company.py
index 3d40723bc5e4..7e7691deb734 100644
--- a/web_company_color/models/res_company.py
+++ b/web_company_color/models/res_company.py
@@ -1,11 +1,13 @@
 # Copyright 2019 Alexandre Díaz <dev@redneboa.es>
 # License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
 import base64
+import re
 from colorsys import hls_to_rgb, rgb_to_hls
 
-from odoo import api, fields, models
+from odoo import api, fields, models, tools
+from odoo.http import request
 
-from odoo.addons.base.models.assetsbundle import ScssStylesheetAsset
+from odoo.addons.base.models.assetsbundle import CompileError, ScssStylesheetAsset
 
 from ..utils import convert_to_image, image_to_rgb, n_rgb_to_hex
 
@@ -209,6 +211,38 @@ def button_compute_color(self):
             )
         self.update(values)
 
+    @api.model
+    def _get_web_company_color_active_company(self):
+        try:
+            active_company_id = int(
+                request.httprequest.cookies.get("cids", "").split("-")[0]
+            )
+        except Exception:
+            active_company_id = False
+        return (
+            self.env.user.company_ids.filtered(lambda c: c.id == active_company_id)
+            or self.env.company
+        )
+
+    def _get_theme_color(self):
+        self.ensure_one()
+        if not self.color_navbar_bg:
+            return False
+        return self._compile_theme_color(self.color_navbar_bg)
+
+    @api.model
+    @tools.ormcache("color")
+    def _compile_theme_color(self, color):
+        scss_asset = ScssStylesheetAsset(
+            "web_company_color.company_color_assets", url=URL_BASE
+        )
+        try:
+            css = scss_asset.compile(f".o_theme_color {{ color: {color}; }}")
+        except CompileError:
+            return False
+        match = re.search(r"color:\s*([^;]+);", css)
+        return match and match.group(1).strip()
+
     def _scss_get_sanitized_values(self):
         self.ensure_one()
         # Clone company_color as dictionary to avoid ORM operations
diff --git a/web_company_color/readme/DESCRIPTION.md b/web_company_color/readme/DESCRIPTION.md
index b164fc0f50b5..2c4cbe884952 100644
--- a/web_company_color/readme/DESCRIPTION.md
+++ b/web_company_color/readme/DESCRIPTION.md
@@ -1 +1,4 @@
 This module change navbar colors based in the company logo colors.
+
+The navbar background color is also used as the browser theme color, so mobile
+browsers paint their address bar with the same color as the navbar.
diff --git a/web_company_color/static/description/index.html b/web_company_color/static/description/index.html
index f0150e75f03e..609a6dbccb12 100644
--- a/web_company_color/static/description/index.html
+++ b/web_company_color/static/description/index.html
@@ -3,7 +3,7 @@
 <head>
 <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
 <meta name="generator" content="Docutils: https://docutils.sourceforge.io/" />
-<title>README.rst</title>
+<title>Web Company Color</title>
 <style type="text/css">
 
 /*
@@ -376,6 +376,9 @@ <h1>Web Company Color</h1>
 !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! -->
 <p><a class="reference external image-reference" href="https://odoo-community.org/page/development-status"><img alt="Beta" src="https://img.shields.io/badge/maturity-Beta-yellow.png" /></a> <a class="reference external image-reference" href="http://www.gnu.org/licenses/agpl-3.0-standalone.html"><img alt="License: AGPL-3" src="https://img.shields.io/badge/license-AGPL--3-blue.png" /></a> <a class="reference external image-reference" href="https://github.com/OCA/web/tree/18.0/web_company_color"><img alt="OCA/web" src="https://img.shields.io/badge/github-OCA%2Fweb-lightgray.png?logo=github" /></a> <a class="reference external image-reference" href="https://translation.odoo-community.org/projects/web-18-0/web-18-0-web_company_color"><img alt="Translate me on Weblate" src="https://img.shields.io/badge/weblate-Translate%20me-F47D42.png" /></a> <a class="reference external image-reference" href="https://runboat.odoo-community.org/builds?repo=OCA/web&amp;target_branch=18.0"><img alt="Try me on Runboat" src="https://img.shields.io/badge/runboat-Try%20me-875A7B.png" /></a></p>
 <p>This module change navbar colors based in the company logo colors.</p>
+<p>The navbar background color is also used as the browser theme color, so
+mobile browsers paint their address bar with the same color as the
+navbar.</p>
 <p><strong>Table of contents</strong></p>
 <div class="contents local topic" id="contents">
 <ul class="simple">
diff --git a/web_company_color/tests/__init__.py b/web_company_color/tests/__init__.py
index 2c9568e64bcd..463f7bf09156 100644
--- a/web_company_color/tests/__init__.py
+++ b/web_company_color/tests/__init__.py
@@ -1 +1,2 @@
 from . import test_res_company
+from . import test_theme_color
diff --git a/web_company_color/tests/test_theme_color.py b/web_company_color/tests/test_theme_color.py
new file mode 100644
index 000000000000..e69931d7f728
--- /dev/null
+++ b/web_company_color/tests/test_theme_color.py
@@ -0,0 +1,58 @@
+# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
+from odoo.tests import HttpCase, tagged
+
+
+@tagged("post_install", "-at_install")
+class TestThemeColor(HttpCase):
+    @classmethod
+    def setUpClass(cls):
+        super().setUpClass()
+        cls.company = cls.env.ref("base.main_company")
+        cls.company_2 = cls.env["res.company"].create({"name": "Company Test"})
+        cls.user = cls.env.ref("base.user_admin")
+        cls.user.company_ids |= cls.company_2
+
+    def _get_theme_color_meta(self, cids=None):
+        self.authenticate("admin", "admin")
+        if cids:
+            self.opener.cookies["cids"] = cids
+        response = self.url_open("/odoo")
+        self.assertEqual(response.status_code, 200)
+        return response.text
+
+    def test_theme_color_plain(self):
+        self.company.color_navbar_bg = "#DEAD00"
+        self.assertEqual(self.company._get_theme_color(), "#DEAD00")
+
+    def test_theme_color_scss_expression(self):
+        self.company.color_navbar_bg = "desaturate(#d2e1dd, 30%)"
+        self.assertEqual(self.company._get_theme_color(), "#dadada")
+
+    def test_theme_color_unset(self):
+        self.company.color_navbar_bg = False
+        self.assertFalse(self.company._get_theme_color())
+
+    def test_theme_color_invalid(self):
+        self.assertFalse(self.env["res.company"]._compile_theme_color("not-a-color("))
+
+    def test_webclient_theme_color_default(self):
+        self.company.color_navbar_bg = False
+        html = self._get_theme_color_meta(cids=str(self.company.id))
+        self.assertIn('<meta name="theme-color" content="#71639e"', html)
+
+    def test_webclient_theme_color_active_company(self):
+        self.company.color_navbar_bg = "#DEAD00"
+        self.company_2.color_navbar_bg = "#00FF00"
+        html = self._get_theme_color_meta(cids=str(self.company.id))
+        self.assertIn('<meta name="theme-color" content="#DEAD00"', html)
+        html = self._get_theme_color_meta(cids=f"{self.company_2.id}-{self.company.id}")
+        self.assertIn('<meta name="theme-color" content="#00FF00"', html)
+
+    def test_webclient_theme_color_not_allowed_company(self):
+        company_3 = self.env["res.company"].create(
+            {"name": "Company Test 3", "color_navbar_bg": "#0000FF"}
+        )
+        self.company.color_navbar_bg = "#DEAD00"
+        self.user.company_id = self.company
+        html = self._get_theme_color_meta(cids=str(company_3.id))
+        self.assertIn('<meta name="theme-color" content="#DEAD00"', html)
diff --git a/web_company_color/view/assets.xml b/web_company_color/view/assets.xml
index 94b3bafc2662..c8b447c5759a 100644
--- a/web_company_color/view/assets.xml
+++ b/web_company_color/view/assets.xml
@@ -15,5 +15,11 @@
         <xpath expr="//t[@t-set='head_web']">
             <t t-call-assets="web_company_color.company_color_assets" />
         </xpath>
+        <xpath expr="//meta[@name='theme-color']" position="attributes">
+            <attribute name="content" />
+            <attribute
+                name="t-att-content"
+            >web_company_color_theme_color or '#71639e'</attribute>
+        </xpath>
     </template>
 </odoo>