diff --git a/website/public/css/base.css b/website/public/css/base.css
index 0fbd872..ea9bace 100644
--- a/website/public/css/base.css
+++ b/website/public/css/base.css
@@ -46,6 +46,17 @@
   --colour-error-90: oklch(0.9 0.2 26);
   --colour-error-95: oklch(0.95 0.2 26);
 
+  --colour-warn-10: oklch(0.1 0.2 46);
+  --colour-warn-20: oklch(0.2 0.2 46);
+  --colour-warn-30: oklch(0.3 0.2 46);
+  --colour-warn-40: oklch(0.4 0.2 46);
+  --colour-warn-50: oklch(0.5 0.2 46);
+  --colour-warn-60: oklch(0.6 0.2 46);
+  --colour-warn-70: oklch(0.7 0.2 46);
+  --colour-warn-80: oklch(0.8 0.2 46);
+  --colour-warn-90: oklch(0.9 0.2 46);
+  --colour-warn-95: oklch(0.95 0.2 46);
+
   --colour-primary-fg: var(--colour-primary-90);
   --colour-primary-fg-accent: var(--colour-primary-80);
   --colour-primary-bg: var(--colour-primary-10);
@@ -57,6 +68,8 @@
   --colour-grey-bg: var(--colour-grey-30);
   --colour-error-fg: var(--colour-error-90);
   --colour-error-bg: var(--colour-error-40);
+  --colour-warn-fg: var(--colour-warn-20);
+  --colour-warn-bg: var(--colour-warn-80);
 
   --font-size-sm: 1rem;
   --font-size-base: 1.125rem;
@@ -492,3 +505,12 @@ dialog {
   padding-block: var(--spacing--block-sm);
   padding-inline: var(--spacing-inline-sm);
 }
+
+.warn {
+  background: var(--colour-warn-bg);
+  border: 2px solid var(--colour-warn-fg);
+  color: var(--colour-warn-fg);
+  padding-block: var(--spacing--block-sm);
+  padding-inline: var(--spacing-inline-sm);
+  --colour-hyperlink: var(--colour-hyperlink-40);
+}
diff --git a/website/src/pages/contact.astro b/website/src/pages/contact.astro
index b03436c..a388e56 100644
--- a/website/src/pages/contact.astro
+++ b/website/src/pages/contact.astro
@@ -8,6 +8,15 @@ import Page from "../layouts/Page.astro";
 
   <form class="contact-form">
     <h1>Contact me</h1>
+
+    <p class="warn">
+      This contact form only accepts a very small number of submissions per day
+      to avoid spamming my inbox with bots. I have an idea for a workaround, but
+      in the meantime, please forgive me if the form refuses to accept your
+      submission. If you want to get in touch with me professionally, you can
+      message me on <a href="https://www.linkedin.com/in/joe-carstairs-0aa936277">LinkedIn</a>.
+    </p>
+
     <p hidden class="error"/>
     <label for="name">Name</label>
     <input id="name" name="name" type="text" required>