Color

#aa3b2c

#aa3b2c
hex#aa3b2c
rgbrgb(170, 59, 44)
hslhsl(7, 59%, 42%)
oklchoklch(0.508 0.149 30.6)
Closest name: Barbarossa (#a84734)Relative luminance 0.1186

Colors that go with #aa3b2c

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 #aa3b2c

Tints & shades

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

Harmonies

Complementary

Open in tool →

#2c9caa

#aa2c5c · #aa7a2c

#2caa3b · #3b2caa

Split-complementary

Open in tool →

#2caa7a · #2c5caa

#5caa2c · #2c9caa · #7a2caa

Contrast

#aa3b2c as textRatioAAAA largeAAAFix
Aaon white
6.23:1passpassfail
  • AAA: use #9a3528 as the text (7.21:1)
Aaon black
3.37:1failpassfail
  • AA: use #cc4a38 as the text (4.6:1)
  • AAA: use #da7d71 as the text (7.15:1)
  • AA: or shift the background to #dedede (4.63:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #aa3b2c as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#aa3b2c reads as warm. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #aa3b2c
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 #aa3b2c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/aa3b2c-c4a59c-62cba4-2d271f-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