Color

#aa3f27

#aa3f27
hex#aa3f27
rgbrgb(170, 63, 39)
hslhsl(11, 63%, 41%)
oklchoklch(0.513 0.146 34.1)
Closest name: Barbarossa (#a84734)Relative luminance 0.1225

Colors that go with #aa3f27

Royal Blue, Sea Green and Teal 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 #aa3f27

Tints & shades

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

Harmonies

Complementary

Open in tool →

#2792aa

#aa2750 · #aa8127

#27aa3f · #3f27aa

Split-complementary

Open in tool →

#27aa81 · #2750aa

#50aa27 · #2792aa · #8127aa

Contrast

#aa3f27 as textRatioAAAA largeAAAFix
Aaon white
6.09:1passpassfail
  • AAA: use #9a3923 as the text (7.04:1)
Aaon black
3.45:1failpassfail
  • AA: use #cc4b2e as the text (4.61:1)
  • AAA: use #dc7b65 as the text (7.06:1)
  • AA: or shift the background to #dedede (4.53:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #aa3f27 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#aa3f27 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #aa3f27
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 #aa3f27 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/aa3f27-c4a89c-62cbab-2d281f-f1e9ec?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