Color

#aa2b1d

#aa2b1d
hex#aa2b1d
rgbrgb(170, 43, 29)
hslhsl(6, 71%, 39%)
oklchoklch(0.489 0.166 30.2)
Closest name: Blood Rush (#aa2222)Relative luminance 0.1036

Colors that go with #aa2b1d

Royal Blue, Teal and Amber 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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#1d9caa

#aa1d55 · #aa721d

#1daa2b · #2b1daa

Split-complementary

Open in tool →

#1daa72 · #1d55aa

#55aa1d · #1d9caa · #721daa

Contrast

#aa2b1d as textRatioAAAA largeAAAFix
Aaon white
6.83:1passpassfail
  • AAA: use #a62a1c as the text (7.07:1)
Aaon black
3.07:1failpassfail
  • AA: use #da3725 as the text (4.55:1)
  • AAA: use #e6776b as the text (7.22:1)
  • AA: or shift the background to #d4d4d4 (4.61:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #aa2b1d as the background.

Brands using this color

Fonts for this mood

#aa2b1d reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #aa2b1d
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 #aa2b1d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/aa2b1d-c4a59c-62cba3-2d271f-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