diff --git a/.changeset/rotten-masks-appear.md b/.changeset/rotten-masks-appear.md
new file mode 100644
index 0000000000..cd286c112c
--- /dev/null
+++ b/.changeset/rotten-masks-appear.md
@@ -0,0 +1,5 @@
+---
+"@rainbow-me/rainbowkit": patch
+---
+
+Updated OP Mainnet branding
diff --git a/packages/rainbowkit/src/components/RainbowKitProvider/chainIcons/optimism.svg b/packages/rainbowkit/src/components/RainbowKitProvider/chainIcons/optimism.svg
index 970874cb38..abac2044f5 100644
--- a/packages/rainbowkit/src/components/RainbowKitProvider/chainIcons/optimism.svg
+++ b/packages/rainbowkit/src/components/RainbowKitProvider/chainIcons/optimism.svg
@@ -1 +1 @@
-<svg xmlns="http://www.w3.org/2000/svg" width="28" height="28" fill="none"><rect width="28" height="28" fill="#FF3131" rx="14"/><rect width="28" height="28" fill="url(#a)" fill-opacity=".3" rx="14"/><path fill="#fff" d="M9.22 18.35c2.7 0 4.86-2.2 4.86-5.38 0-2.19-1.47-3.8-3.98-3.8-2.72 0-4.85 2.2-4.85 5.38 0 2.2 1.5 3.8 3.97 3.8Zm.83-7.35c1.06 0 1.74.81 1.74 2.1 0 1.9-1.11 3.42-2.51 3.42-1.06 0-1.74-.82-1.74-2.1 0-1.89 1.11-3.42 2.5-3.42Zm6.38-1.68-1.88 8.88h2.26l.55-2.6h1.47c2.43 0 4.01-1.38 4.01-3.6 0-1.61-1.17-2.68-3.1-2.68h-3.3Zm1.9 1.74h.94c.83 0 1.3.38 1.3 1.14 0 1-.68 1.7-1.74 1.7h-1.11l.6-2.84Z"/><defs><linearGradient id="a" x1="0" x2="14" y1="0" y2="28" gradientUnits="userSpaceOnUse"><stop stop-color="#fff"/><stop offset="1" stop-color="#fff" stop-opacity="0"/></linearGradient></defs></svg>
+<svg xmlns="http://www.w3.org/2000/svg" fill="none" viewBox="0 0 28 28"><rect width="28" height="28" fill="#FF0420" rx="14"/><path fill="#fff" fill-rule="evenodd" d="M14 26.25v-5.185c5.333 0 9.658-4.324 9.658-9.657S19.333 1.75 14 1.75v5.185c-5.333 0-9.658 4.324-9.658 9.657S8.667 26.25 14 26.25Zm4.778-12.205v-.09c-2.106-1.049-3.684-2.627-4.733-4.733h-.09c-1.049 2.106-2.627 3.684-4.733 4.733v.09c2.106 1.049 3.684 2.627 4.733 4.733h.09c1.049-2.106 2.627-3.684 4.733-4.733Z" clip-rule="evenodd"/></svg>
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