diff --git a/src/AIS/AIS_ColorScale.cxx b/src/AIS/AIS_ColorScale.cxx
index 9b53f63211..e0edfa6ddb 100644
--- a/src/AIS/AIS_ColorScale.cxx
+++ b/src/AIS/AIS_ColorScale.cxx
@@ -53,6 +53,7 @@ myColorType (Aspect_TOCSD_AUTO),
 myLabelType (Aspect_TOCSD_AUTO),
 myAtBorder (Standard_True),
 myReversed (Standard_False),
+myIsLogarithmic (Standard_False),
 myLabelPos (Aspect_TOCSP_RIGHT),
 myTitlePos (Aspect_TOCSP_CENTER),
 myXPos (0),
@@ -90,8 +91,7 @@ TCollection_ExtendedString AIS_ColorScale::GetLabel (const Standard_Integer theI
 
     return myLabels.Value (theIndex + 1);
   }
-
-  const Standard_Real           aVal    = GetNumber (theIndex);
+  Standard_Real aVal = IsLogarithmic() ? GetLogNumber(theIndex) : GetNumber (theIndex);
   const TCollection_AsciiString aFormat = Format();
   Standard_Character aBuf[1024];
   sprintf (aBuf, aFormat.ToCString(), aVal);
@@ -484,6 +484,21 @@ Standard_Real AIS_ColorScale::GetNumber (const Standard_Integer theIndex) const
   return aNum;
 }
 
+//=======================================================================
+//function : GetLogNumber
+//purpose  :
+//=======================================================================
+Standard_Real AIS_ColorScale::GetLogNumber (const Standard_Integer theIndex) const
+{
+  if (GetNumberOfIntervals() > 0)
+  {
+    Standard_Real aMin = myMin > 0 ? myMin : 1.0;
+    Standard_Real aDivisor = std::pow (myMax/aMin, 1.0/myInterval);
+    return aMin*std::pow (aDivisor,theIndex);
+  }
+  return 0;
+}
+
 //=======================================================================
 //function : HueFromValue
 //purpose  :
diff --git a/src/AIS/AIS_ColorScale.hxx b/src/AIS/AIS_ColorScale.hxx
index 86fa980627..91216611e6 100644
--- a/src/AIS/AIS_ColorScale.hxx
+++ b/src/AIS/AIS_ColorScale.hxx
@@ -94,6 +94,9 @@ public:
   //! Returns true if the labels placed at border of color filled rectangles.
   Standard_EXPORT Standard_Boolean IsLabelAtBorder() const { return myAtBorder; }
 
+  //! Returns true if the color scale has logarithmic intervals
+  Standard_Boolean IsLogarithmic() const { return myIsLogarithmic; }
+
   //! Sets the minimal value of color scale.
   Standard_EXPORT void SetMin (const Standard_Real theMin);
 
@@ -146,6 +149,9 @@ public:
   //! Sets true if the labels placed at border of color filled rectangles.
   Standard_EXPORT void SetLabelAtBorder (const Standard_Boolean theOn);
 
+  //! Sets true if the color scale has logarithmic intervals.
+  void SetLogarithmic (const Standard_Boolean isLogarithmic) { myIsLogarithmic = isLogarithmic; };
+
   //! Returns the size of color scale.
   Standard_EXPORT void GetSize (Standard_Integer& theWidth, Standard_Integer& theHeight) const;
 
@@ -248,13 +254,16 @@ private:
   TCollection_AsciiString Format() const;
 
   //! Returns the value of given interval.
-  Standard_Real GetNumber (const Standard_Integer anIndex) const;
+  Standard_Real GetNumber (const Standard_Integer theIndex) const;
+
+  //! Returns the value of given logarithmic interval.
+  Standard_Real GetLogNumber (const Standard_Integer theIndex) const;
 
   //! Returns the color's hue for the given value in the given interval.
   //! @param theValue [in] the current value of interval.
   //! @param theMin [in] the min value of interval.
   //! @param theMax [in] the max value of interval.
-  static Standard_Integer HueFromValue (const Standard_Integer aValue, const Standard_Integer aMin, const Standard_Integer aMax);
+  static Standard_Integer HueFromValue (const Standard_Integer theValue, const Standard_Integer theMin, const Standard_Integer theMax);
 
 private:
 
@@ -267,6 +276,7 @@ private:
   Aspect_TypeOfColorScaleData myLabelType;
   Standard_Boolean myAtBorder;
   Standard_Boolean myReversed;
+  Standard_Boolean myIsLogarithmic;
   Aspect_SequenceOfColor myColors;
   TColStd_SequenceOfExtendedString myLabels;
   Aspect_TypeOfColorScalePosition myLabelPos;
diff --git a/src/ViewerTest/ViewerTest_ViewerCommands.cxx b/src/ViewerTest/ViewerTest_ViewerCommands.cxx
index f73417ee75..503f9db582 100644
--- a/src/ViewerTest/ViewerTest_ViewerCommands.cxx
+++ b/src/ViewerTest/ViewerTest_ViewerCommands.cxx
@@ -3448,6 +3448,11 @@ static int VColorScale (Draw_Interpretor& theDI,
     std::cout << "Error: no active view!\n";
     return 1;
   }
+  if (theArgNb <= 1)
+  {
+    std::cout << "Error: wrong syntax at command '" << theArgVec[0] << "'!\n";
+    return 1;
+  }
 
   Handle(AIS_ColorScale) aCS;
   // find object
@@ -3488,11 +3493,6 @@ static int VColorScale (Draw_Interpretor& theDI,
 
   ViewerTest_AutoUpdater anUpdateTool (aContext, aView);
 
-  if (theArgNb <= 1)
-  {
-    std::cout << "Error: wrong syntax at command '" << theArgVec[0] << "'!\n";
-    return 1;
-  }
   if (theArgNb <= 2)
   {
     theDI << "Color scale parameters for '"<< theArgVec[1] << "':\n"
@@ -3609,6 +3609,22 @@ static int VColorScale (Draw_Interpretor& theDI,
         return 1;
       }
     }
+    else if (aFlag == "-logarithmic"
+          || aFlag == "-log")
+    {
+      if (anArgIter + 1 >= theArgNb)
+      {
+        std::cout << "Error: wrong syntax at argument '" << anArg << "'!\n";
+        return 1;
+      }
+      Standard_Boolean IsLog;
+      if (!ViewerTest::ParseOnOff(theArgVec[++anArgIter], IsLog))
+      {
+        std::cout << "Error: wrong syntax at argument '" << anArg << "'!\n";
+        return 1;
+      }
+      aCS->SetLogarithmic (IsLog);
+    }
     else if (aFlag == "-xy")
     {
       if (anArgIter + 2 >= theArgNb)
diff --git a/tests/bugs/vis/bug22632 b/tests/bugs/vis/bug22632
new file mode 100644
index 0000000000..8bd5918029
--- /dev/null
+++ b/tests/bugs/vis/bug22632
@@ -0,0 +1,31 @@
+puts "============"
+puts "OCC25632"
+puts "Display logarithmic colorscale."
+puts "============"
+puts ""
+
+vinit View1
+vclear
+vaxo
+
+# create non-logarithmic color scale with range 0-1000 and 3 intervals
+vcolorscale cs -range 0 1000 3
+vdump ${imagedir}/${casename}_1.png
+
+# create logarithmic color scale with range 1-1000 and 3 intervals
+vcolorscale cs -range 0 1000 3 -log 1
+vdump ${imagedir}/${casename}_2.png
+
+# create logarithmic color scales with different ranges and intervals
+vcolorscale cs -range 5 200 4
+vdump ${imagedir}/${casename}_3.png
+
+vcolorscale cs -range 1 1568 8
+vdump ${imagedir}/${casename}_4.png
+
+vcolorscale cs -range 3 500 5
+vdump ${imagedir}/${casename}_5.png
+
+vcolorscale cs -range 1 1000 6
+vdump ${imagedir}/${casename}_6.png
+