Color

#aa3a27

#aa3a27
hex#aa3a27
rgbrgb(170, 58, 39)
hslhsl(9, 63%, 41%)
oklchoklch(0.506 0.151 32)
Closest name: Brick (#a03623)Relative luminance 0.1172

Colors that go with #aa3a27

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 #aa3a27

Tints & shades

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

Harmonies

Complementary

Open in tool →

#2797aa

#aa2755 · #aa7c27

#27aa3a · #3a27aa

Split-complementary

Open in tool →

#27aa7c · #2755aa

#55aa27 · #2797aa · #7c27aa

Contrast

#aa3a27 as textRatioAAAA largeAAAFix
Aaon white
6.28:1passpassfail
  • AAA: use #9a3523 as the text (7.22:1)
Aaon black
3.34:1failpassfail
  • AA: use #d0472f as the text (4.62:1)
  • AAA: use #dd7b69 as the text (7.11:1)
  • AA: or shift the background to #dbdbdb (4.54:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #aa3a27 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#aa3a27 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #aa3a27
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 #aa3a27 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/aa3a27-c4a79c-62cba8-2d271f-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