diff --git a/src/gui/accountsettings.cpp b/src/gui/accountsettings.cpp
index 47c8793794a4d..6af3208d0269f 100644
--- a/src/gui/accountsettings.cpp
+++ b/src/gui/accountsettings.cpp
@@ -1140,7 +1140,7 @@ void AccountSettings::showConnectionLabel(const QString &message, QStringList er
         errors.prepend(message);
         auto userFriendlyMsg = errors.join(QLatin1String("<br>"));
         qCDebug(lcAccountSettings) << userFriendlyMsg;
-        Theme::replaceLinkColorString(userFriendlyMsg, QColor("#c1c8e6"));
+        Theme::replaceLinkColorString(userFriendlyMsg, QColor(0xc1c8e6));
         _ui->connectLabel->setText(userFriendlyMsg);
         _ui->connectLabel->setToolTip({});
         _ui->connectLabel->setStyleSheet(errStyle);
diff --git a/src/libsync/theme.cpp b/src/libsync/theme.cpp
index 7e717bf05f1be..7850f7ff03abe 100644
--- a/src/libsync/theme.cpp
+++ b/src/libsync/theme.cpp
@@ -277,7 +277,7 @@ QIcon Theme::themeIcon(const QString &name, bool sysTray) const
             if (qgetenv("DESKTOP_SESSION") == "ubuntu") {
                 QBitmap mask = px.createMaskFromColor(Qt::white, Qt::MaskOutColor);
                 QPainter p(&px);
-                p.setPen(QColor("#dfdbd2"));
+                p.setPen(QColor(0xdfdbd2));
                 p.drawPixmap(px.rect(), mask, mask.rect());
             }
             cached.addPixmap(px);
@@ -870,7 +870,7 @@ bool Theme::isDarkColor(const QColor &color)
 
 QColor Theme::getBackgroundAwareLinkColor(const QColor &backgroundColor)
 {
-    return {(isDarkColor(backgroundColor) ? QColor("#6193dc") : QGuiApplication::palette().color(QPalette::Link))};
+    return {(isDarkColor(backgroundColor) ? QColor(0x6193dc) : QGuiApplication::palette().color(QPalette::Link))};
 }
 
 QColor Theme::getBackgroundAwareLinkColor()