Color

#aa3531

#aa3531
hex#aa3531
rgbrgb(170, 53, 49)
hslhsl(2, 55%, 43%)
oklchoklch(0.502 0.154 26.3)
Closest name: brown (#a52a2a)Relative luminance 0.1131

Colors that go with #aa3531

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 #aa3531

Tints & shades

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

Harmonies

Complementary

Open in tool →

#31a6aa

#aa316a · #aa7231

#31aa35 · #3531aa

Split-complementary

Open in tool →

#31aa72 · #316aaa

#6aaa31 · #31a6aa · #7231aa

Contrast

#aa3531 as textRatioAAAA largeAAAFix
Aaon white
6.44:1passpassfail
  • AAA: use #9e322e as the text (7.12:1)
Aaon black
3.26:1failpassfail
  • AA: use #c94a45 as the text (4.55:1)
  • AAA: use #d87c79 as the text (7.08:1)
  • AA: or shift the background to #d9d9d9 (4.56:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #aa3531 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

#aa3531 reads as warm. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #aa3531
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 #aa3531 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/aa3531-c4a29c-62cb9c-2d261f-f1e9ed?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