diff --git a/NEWS.md b/NEWS.md
index 7b4f91f2..93831390 100644
--- a/NEWS.md
+++ b/NEWS.md
@@ -11,6 +11,7 @@ Bugs:
 * `save_tt("file.pdf")` works with colors. Thanks to @olivedv for the report and solution #395.
 * `group_tt(i=vec)`: `vec` can be a factor vector
 * `style_tt(align="d")` with empty strings (`modelsummary::datasummary_balance()` test)
+* `style_tt(line_color)` accepts Hex codes. Thanks to @andrewheiss for report #415.
 * `tt(rownames=TRUE)` should not add column names if they do not exist. Thanks to @Nowosad for report #414.
 
 New:
diff --git a/R/style_tabularray.R b/R/style_tabularray.R
index a433ed69..0bad1cca 100644
--- a/R/style_tabularray.R
+++ b/R/style_tabularray.R
@@ -126,8 +126,11 @@ setMethod(
         rec$line[idx] <- sty$line[row]
       }
 
-      if (!is.na(sty$line_color[row])) {
-        rec$line_color[idx] <- sty$line_color[row]
+      lcol <- sty$line_color[row]
+      if (!is.na(lcol)) {
+        x <- color_to_preamble(x, lcol)
+        if (grepl("^#", lcol)) lcol <- sub("^#", "c", lcol)
+        rec$line_color[idx] <- lcol
       }
 
       if (!is.na(sty$line_width[row])) {