diff --git a/src/schemas/soapbox/soapbox-config.ts b/src/schemas/soapbox/soapbox-config.ts
new file mode 100644
index 000000000..97cda600c
--- /dev/null
+++ b/src/schemas/soapbox/soapbox-config.ts
@@ -0,0 +1,74 @@
+/* eslint sort-keys: "error" */
+import { z } from 'zod';
+
+import { hexColorSchema } from '../utils';
+
+export const cryptoAddressSchema = z.object({
+  address: z.string(),
+  note: z.string().optional(),
+  ticker: z.string(),
+});
+
+export const footerItemSchema = z.object({
+  title: z.string(),
+  url: z.string().url(),
+});
+
+export const promoItemSchema = z.object({
+  icon: z.string(),
+  text: z.string(),
+  textLocales: z.record(z.string()).optional(),
+  url: z.string().url(),
+});
+
+/**
+ * Soapbox Config schema.
+ * All values must be optional. Defaults are set in a separate step.
+ */
+export const soapboxConfigSchema = z.object({
+  accentColor: hexColorSchema.optional().catch(undefined),
+  allowedEmoji: z.string().array().optional().catch(undefined),
+  appleAppId: z.string().optional().catch(undefined),
+  authProvider: z.string().optional().catch(undefined),
+  authenticatedProfile: z.boolean().optional().catch(undefined),
+  brandColor: hexColorSchema.optional().catch(undefined),
+  copyright: z.string().optional().catch(undefined),
+  cryptoAddresses: cryptoAddressSchema.array().optional().catch(undefined),
+  cryptoDonatePanel: z.object({
+    limit: z.number().nonnegative().optional().catch(undefined),
+  }).optional().catch(undefined),
+  defaultSettings: z.record(z.string(), z.unknown()).optional().catch(undefined),
+  displayCta: z.boolean().optional().catch(undefined),
+  displayFqn: z.boolean().optional().catch(undefined),
+  extensions: z.object({
+    patron: z.object({
+      enabled: z.boolean().optional().catch(undefined),
+    }).optional().catch(undefined),
+  }).optional().catch(undefined),
+  /** Whether to inject suggested profiles into the Home feed. */
+  feedInjection: z.boolean().optional().catch(undefined),
+  gdpr: z.boolean().optional().catch(undefined),
+  gdprUrl: z.string().optional().catch(undefined),
+  greentext: z.boolean().optional().catch(undefined),
+  linkFooterMessage: z.boolean().optional().catch(undefined),
+  links: z.record(z.string(), z.string()).optional().catch(undefined),
+  logo: z.string().url().optional().catch(undefined),
+  logoDarkMode: z.string().url().optional().catch(undefined),
+  /**
+   * Whether to use the preview URL for media thumbnails.
+   * On some platforms this can be too blurry without additional configuration.
+   */
+  mediaPreview: z.boolean().optional().catch(undefined),
+  navlinks: z.object({
+    homeFooter: footerItemSchema.array().optional().catch(undefined),
+  }).optional().catch(undefined),
+  promoPanel: z.object({
+    items: z.array(promoItemSchema),
+  }).optional().catch(undefined),
+  redirectRootNoLogin: z.string().optional().catch(undefined),
+  sentryDsn: z.string().url().optional().catch(undefined),
+  tileServer: z.string().optional().catch(undefined),
+  tileServerAttribution: z.string().optional().catch(undefined),
+  verifiedCanEditName: z.boolean().optional().catch(undefined),
+  verifiedIcon: z.string().url().optional().catch(undefined),
+});
\ No newline at end of file
diff --git a/src/schemas/utils.ts b/src/schemas/utils.ts
index 34312a41d..aabf3d83e 100644
--- a/src/schemas/utils.ts
+++ b/src/schemas/utils.ts
@@ -47,4 +47,7 @@ function coerceObject<T extends z.ZodRawShape>(shape: T) {
   return z.object({}).passthrough().catch({}).pipe(z.object(shape));
 }
 
-export { filteredArray, makeCustomEmojiMap, emojiSchema, contentSchema, dateSchema, jsonSchema, mimeSchema, coerceObject };
\ No newline at end of file
+/** Validates a hex color code. */
+const hexColorSchema = z.string().regex(/^#([a-f0-9]{3}|[a-f0-9]{4}|[a-f0-9]{6}|[a-f0-9]{8})$/i);
+
+export { filteredArray, hexColorSchema, makeCustomEmojiMap, emojiSchema, contentSchema, dateSchema, jsonSchema, mimeSchema, coerceObject };
\ No newline at end of file