/usr/share/themes/HighContrast/gtk-2.0/gtkrc is in gnome-accessibility-themes 3.10.0-1ubuntu2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 | # High-Contrast, "Normal Size" Theme
#
# Original gtkrc by Bill Haneman, based on Standard theme by T. Liebeck,
# which was in turn based on lots of different gtkrc files but
# primarily the one for the metal theme.
#
# High-contrast pixmap icons by jimmac with input from tigert.
style "default"
{
  engine "hcengine" {
    edge_thickness = 2
  }
  xthickness = 2
  ythickness = 2
  EelEditableLabel::cursor_aspect_ratio = 0.1
  EelEditableLabel::cursor_color    = "#cc0000"
  GtkEntry::cursor_color    = "#cc0000"
  GtkEntry::cursor_aspect_ratio = 0.1
  GtkHSV::focus-line-pattern = "\0"
  GtkRange::stepper-size = 20
  GtkTextView::cursor_aspect_ratio = 0.1
  GtkTextView::cursor_color    = "#cc0000"
  GtkTreeView::expander-size = 16
  GtkWidget::focus-line-pattern = "\4\2"
  GtkWidget::focus-line-width = 2
  GtkWidget::focus-padding = 0
  GtkWidget::interior_focus = 1
  GtkWidget::link-color = "#000060"
  GtkWidget::visited-link-color = "#600000"
  # Nautilus
  NautilusIconContainer::frame_text = 1
  # Pidgin
  GtkIMHtml::hyperlink-color = "#000060"
  GtkIMHtml::hyperlink-visited-color = "#600000"
  GtkIMHtml::hyperlink-prelight-color = "#404080"
  # Evolution
  GtkHTML::link_color = "#000060"
  GtkHTML::vlink_color = "#600000"
  GtkHTML::cite_color = "#003000"
  fg[NORMAL]      = "#000000"
  text[NORMAL]    = "#000000"
  bg[NORMAL]      = "#ffffff"
  base[NORMAL]    = "#ffffff"
  fg[INSENSITIVE]      = "#999999"
  text[INSENSITIVE]    = "#999999"
  bg[INSENSITIVE]      = "#ccccff"
  base[INSENSITIVE]    = "#ccccff"
  fg[PRELIGHT]    = "#ccccff"
  text[PRELIGHT]  = "#ccccff"
  bg[PRELIGHT]    = "#000000"
  base[PRELIGHT]  = "#000000"
  fg[ACTIVE]      = "#000000"
  text[ACTIVE]    = "#000000"
  bg[ACTIVE]      = "#b8b891"
  base[ACTIVE]    = "#b8b891"
  fg[SELECTED]    = "#ffffff"
  text[SELECTED]  = "#ffffff"
  bg[SELECTED]    = "#000000"
  base[SELECTED]  = "#333300"
}
class "GtkWidget" style "default"
 |