diff -r -u nethack-3.4.3/include/config.h darkblue/include/config.h
--- nethack-3.4.3/include/config.h	2003-12-07 18:39:14.000000000 +0000
+++ darkblue/include/config.h	2004-03-16 18:37:24.000000000 +0000
@@ -350,6 +350,9 @@
 
 /*#define GOLDOBJ */	/* Gold is kept on obj chains - Helge Hafting */
 /*#define AUTOPICKUP_EXCEPTIONS */ /* exceptions to autopickup */
+#ifdef WIN32CON
+# define DARKBLUE	/* adds an option for using dark blue or not */
+#endif
 
 /* End of Section 5 */
 
diff -r -u nethack-3.4.3/include/flag.h darkblue/include/flag.h
--- nethack-3.4.3/include/flag.h	2003-12-07 18:39:14.000000000 +0000
+++ darkblue/include/flag.h	2004-03-16 18:36:02.000000000 +0000
@@ -183,6 +183,9 @@
 	char prevmsg_window;	/* type of old message window to use */
 	boolean  extmenu;	/* extended commands use menu interface */
 #endif
+#ifdef DARKBLUE
+	boolean  darkblue;	/* use both bright blue and dark blue */
+#endif
 #ifdef MFLOPPY
 	boolean  checkspace;	/* check disk space before writing files */
 				/* (in iflags to allow restore after moving
diff -r -u nethack-3.4.3/src/options.c darkblue/src/options.c
--- nethack-3.4.3/src/options.c	2003-12-07 18:39:14.000000000 +0000
+++ darkblue/src/options.c	2004-03-16 18:38:14.000000000 +0000
@@ -75,6 +75,9 @@
 	{"color",         &iflags.wc_color, FALSE, SET_IN_GAME},	/*WC*/
 # endif
 	{"confirm",&flags.confirm, TRUE, SET_IN_GAME},
+#ifdef DARKBLUE
+	{"darkblue", &iflags.darkblue, TRUE, DISP_IN_GAME},
+#endif
 #if defined(TERMLIB) && !defined(MAC_GRAPHICS_ENV)
 	{"DECgraphics", &iflags.DECgraphics, FALSE, SET_IN_GAME},
 #else
diff -r -u nethack-3.4.3/sys/winnt/nttty.c darkblue/sys/winnt/nttty.c
--- nethack-3.4.3/sys/winnt/nttty.c	2003-12-07 18:39:14.000000000 +0000
+++ darkblue/sys/winnt/nttty.c	2004-03-16 18:36:02.000000000 +0000
@@ -603,6 +603,9 @@
 	ttycolors[CLR_GREEN] = FOREGROUND_GREEN;
 	ttycolors[CLR_BROWN] = FOREGROUND_GREEN|FOREGROUND_RED;
 	ttycolors[CLR_BLUE] = FOREGROUND_BLUE;
+#ifdef DARKBLUE
+	ttycolors[CLR_BLUE] |= iflags.darkblue ? 0 : FOREGROUND_INTENSITY;
+#endif
 	ttycolors[CLR_MAGENTA] = FOREGROUND_BLUE|FOREGROUND_RED;
 	ttycolors[CLR_CYAN] = FOREGROUND_GREEN|FOREGROUND_BLUE;
 	ttycolors[CLR_GRAY] = FOREGROUND_GREEN|FOREGROUND_RED|FOREGROUND_BLUE;
diff -r -u nethack-3.4.3/sys/winnt/porthelp darkblue/sys/winnt/porthelp
--- nethack-3.4.3/sys/winnt/porthelp	2003-12-07 18:39:14.000000000 +0000
+++ darkblue/sys/winnt/porthelp	2004-03-16 18:36:02.000000000 +0000
@@ -82,6 +82,13 @@
                    maps (available in the graphical port) are always 
                    rendered in color. Default: [TRUE]
 
+    darkblue       Use the color dark blue in the tty interface. If set
+                   to false then all dark blue monsters and objects will
+                   be shown as bright blue. This will cause some things
+                   that normally have different appearances to look the
+                   same, so only do it if you have trouble seeing dark
+                   blue on your monitor. Default: [TRUE]
+
     hilite_pet     Using tiled graphics, displays a small heart symbol
                    next to your pet.  Using ascii graphics, the pet is
                    hilited in a white background.