Might not be up to date, but this is my crosshair:
cl_crosshair_drawoutline "1"
cl_crosshair_dynamic_maxdist_splitratio "0.35"
cl_crosshair_dynamic_splitalpha_innermod "1"
cl_crosshair_dynamic_splitalpha_outermod "0.5"
cl_crosshair_dynamic_splitdist "7"
cl_crosshair_outlinethickness "1.000000"
cl_crosshair_sniper_width "1"
cl_crosshairalpha "250"
cl_crosshaircolor "5"
cl_crosshaircolor_b "0"
cl_crosshaircolor_g "255"
cl_crosshaircolor_r "0"
cl_crosshairdot "1"
cl_crosshairgap "0.000000"
cl_crosshairgap_useweaponvalue "0"
cl_crosshairscale "1700"
cl_crosshairsize "2.500000"
cl_crosshairstyle "4"
cl_crosshairthickness "0.500000"
cl_crosshairusealpha "1"
cl_fixedcrosshairgap "-10"