Coat of Arms Generator: Create Heraldic Designs for Your Campaign

This coat of arms generator creates heraldic shields, family crests, and noble insignia for tabletop RPGs and fantasy worldbuilding. Generate house sigils, guild emblems, and kingdom banners for your characters and factions.

Parts of a Coat of Arms

A full heraldic achievement is more than just a shield. The shield is the centerpiece, displaying the core symbols and colors of the bearer. Supporters are figures flanking the shield, often animals or humanoids that reflect the house's identity. The crest sits above the shield on top of a helm, while mantling flows down from the helm like stylized cloth. A motto scroll beneath ties everything together with a phrase that captures the bearer's values. When generating coats of arms, specifying each of these elements gives the AI more to work with and produces richer results.

Color Rules in Heraldry

Heraldry divides colors into two groups: metals (gold/or and silver/argent) and colors (red/gules, blue/azure, green/vert, black/sable, purple/purpure). The core rule is simple: never place metal on metal or color on color. A gold lion on a red shield works. A gold lion on a silver shield does not. This contrast rule exists for battlefield visibility, and following it makes your generated designs look authentically heraldic. Gold suggests generosity, red means martial prowess, blue signals loyalty, and black represents grief or determination.

Choosing Meaningful Symbols for Factions

Every element on a coat of arms should tell a story. A merchant guild might feature scales and a ship. A fallen house could display a cracked shield with a raven picking at the remains. Think about what your faction values, what they fear, and what history they carry. Lions, eagles, and dragons are classic choices for power, but a halfling shire with crossed rolling pins and a badger supporter says just as much about identity. Consider the faction's age too: old houses tend toward traditional, worn designs, while upstarts favor flashier, less refined heraldry.

Matching Heraldic Style to Fantasy Cultures

Not every culture in your world should use the same heraldic conventions. Dwarven heraldry might favor angular geometric patterns, runic borders, and stone or metal textures on heavy kite shields. Elven designs lean toward flowing organic shapes, silver and moonlight tones, leaf motifs, and Elvish script. Orcish war-emblems could be crude iron plates with skull motifs, painted in blood-red and bone-white. Gnomish arms might incorporate gears and clockwork elements. Specifying these cultural flavors in your prompt helps the generator produce designs that feel like they belong to a specific people.

Using Coats of Arms in Your Campaign

Heraldry gives your world immediate visual depth. Hang banners in throne rooms so players know whose territory they have entered. Let a herald challenge the party to identify house sigils as a social skill check. Use rival coats of arms on opposing army banners during a siege. Guild emblems can function as membership tokens, painted on shop signs or embroidered on cloaks. When a noble house falls, their defaced coat of arms, slashed with a bar sinister or inverted, becomes a story hook all on its own.

Prompt Examples

Use these prompts as starting points. Copy one directly or modify it to fit your campaign.

Noble House Coats of Arms

Warrior House Coat of Arms

A coat of arms for a noble warrior house, red shield with golden lion rampant, crossed swords behind the shield, steel helmet crest with lion mantling, banner reading "Strength and Honor" below, medieval heraldic style.

Wizard Family Coat of Arms

A coat of arms for an ancient wizard family, purple shield quartered with silver stars and open spellbooks, owl crest, flowing magical mantling, arcane runes around border, motto "Knowledge is Power."

Seafaring Merchant Coat of Arms

A coat of arms for a seafaring merchant house, blue and white wavy shield representing ocean, golden ship at center, trident supporters on each side, anchor crest, rope border, "Fortune Favors the Bold."

Fallen Noble House Coat of Arms

A coat of arms for a fallen noble house, once-proud shield now cracked and weathered, raven perched on skull crest, black and gray colors, thorny vines as mantling, motto worn and illegible, tragic history implied.

Elven Royal Coat of Arms

A coat of arms for an elven royal house, silver shield with golden tree of life, crescent moon and stars above, deer supporters, delicate flowing mantling like leaves, Elvish script motto, elegant and ancient.

Guild and Organization Emblems

Thieves' Guild Emblem

A coat of arms for a thieves' guild, black shield with silver lockpicks crossed, eye motif watching from shadows, dagger crest, dark hooded figure supporters, motto "What's Yours is Mine," secretive design.

Mercenary Company Emblem

A coat of arms for a mercenary company, orange and black shield with flaming sword, coin stack in corner, wolf helmet crest, battle-worn appearance, motto "Gold and Glory," professional warriors emblem.

Healer's Order Emblem

A coat of arms for a healer's order, white shield with red cross and serpent-wrapped staff, dove crest with olive branch, angel wing supporters, golden sunburst background, "First Do No Harm," holy healers.

Assassin's Brotherhood Emblem

A coat of arms for an assassin's brotherhood, dark purple shield with single white rose, skull hidden in petals, serpent crest, hooded figure supporters, no motto displayed, elegant death dealers.

Blacksmith's Guild Emblem

A coat of arms for a blacksmith's guild, orange and black shield with hammer and anvil, flames rising behind, iron gauntlet crest, chain border, motto "Forged in Fire," craftsmen's pride.

Kingdom and City Emblems

Mountain Kingdom Coat of Arms

A coat of arms for a mountain kingdom, gray shield with white peak, pickaxe and warhammer crossed, dwarven runes border, crown crest with gems, stone giant supporters, "Unyielding as Stone."

Forest Realm Coat of Arms

A coat of arms for a forest realm, green shield with white stag, oak leaves border, treant supporters, crown of antlers crest, nature-themed mantling, "Guardians of the Wild," elven kingdom style.

Coastal City-State Coat of Arms

A coat of arms for a coastal city-state, blue and gold quartered shield, lighthouse and sailing ship, merfolk supporters, wave patterns, trident and crown crest, "Masters of the Tide," prosperous port.

Dark Empire Coat of Arms

A coat of arms for a dark empire, black shield with red dragon, iron crown crest, demon supporters, chains as border, blood-red mantling, "Fear is Loyalty," tyrannical nation emblem.

Holy Theocracy Coat of Arms

A coat of arms for a holy theocracy, white and gold shield with radiant sun, angelic supporters, papal-style triple crown, divine rays emanating, sacred text border, "Light Conquers All."

Fantasy Race Heraldry

Orc Warband Coat of Arms

A coat of arms for an orc warband, crude iron shield with tusked skull, crossed axes, wolf pelt mantling, bone decorations, war paint patterns, "Strength or Death," brutal and intimidating.

Halfling Shire Coat of Arms

A coat of arms for a halfling shire, cheerful round shield with pie and pipe crossed, badger supporters, flower crown crest, rolling hills background, "Good Food, Good Friends," cozy and welcoming.

Dragonborn Clan Coat of Arms

A coat of arms for a dragonborn clan, scaled shield in clan color with dragon head, flame border, wings as mantling, draconic script motto, "Honor the Ancestors," proud dragon heritage.

Gnomish Inventor Coat of Arms

A coat of arms for a gnomish inventor's collective, copper shield with gear and wrench, clockwork bird crest, mechanical arm supporters, blueprint background, "Innovation Through Explosion," chaotic genius.

Tiefling House Coat of Arms

A coat of arms for a tiefling house seeking legitimacy, elegant shield hiding infernal symbols, attempting noble respectability, devil tail subtly worked into mantling, motto in Common hiding Infernal meaning.