diff --git a/src/core/constants.py b/src/core/constants.py
index c2af39a3..de47fbb3 100644
--- a/src/core/constants.py
+++ b/src/core/constants.py
@@ -75,3 +75,13 @@ class Const(object):
     ## Misc ##
     SAVEFILE_DATABASE = "sat.db"
     IQ_SET = '/iq[@type="set"]'
+
+    ## ANSI escape sequences ##
+    # XXX: used for logging
+    # XXX: there will be probably moved in a dedicated module in the future
+    ANSI_RESET = '\033[0m'
+    ANSI_NORMAL_WEIGHT = '\033[22m'
+    ANSI_FG_BLACK, ANSI_FG_RED, ANSI_FG_GREEN, ANSI_FG_YELLOW, ANSI_FG_BLUE, ANSI_FG_MAGENTA, ANSI_FG_CYAN, ANSI_FG_WHITE = ('\033[3%dm' % nb for nb in xrange(8))
+    ANSI_BOLD = '\033[1m'
+    ANSI_BLINK = '\033[5m'
+    ANSI_BLINK_OFF = '\033[25m'