Color

#aa3d18

#aa3d18
hex#aa3d18
rgbrgb(170, 61, 24)
hslhsl(15, 75%, 38%)
oklchoklch(0.509 0.151 37.7)
Closest name: Barbarossa (#a84734)Relative luminance 0.1195

Colors that go with #aa3d18

Crimson, Royal Blue and Sea Green lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Real palettes that use #aa3d18

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#1885aa

#aa183d · #aa8518

#18aa3d · #3d18aa

Split-complementary

Open in tool →

#18aa85 · #183daa

#3daa18 · #1885aa · #8518aa

Contrast

#aa3d18 as textRatioAAAA largeAAAFix
Aaon white
6.19:1passpassfail
  • AAA: use #9c3816 as the text (7.02:1)
Aaon black
3.39:1failpassfail
  • AA: use #cd491d as the text (4.57:1)
  • AAA: use #e67651 as the text (7.07:1)
  • AA: or shift the background to #dedede (4.6:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #aa3d18 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Palettes built around it

Fonts for this mood

#aa3d18 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #aa3d18
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #aa3d18 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/aa3d18-c4ab9c-62cbb2-2d291f-f1e9eb?lock=0&style=vibrant

Want the agent to remember your picks and write them into a living brand? Create a free BrandSweets workspace.

Machine-readable: color.md