Color

#aa2b27

#aa2b27
hex#aa2b27
rgbrgb(170, 43, 39)
hslhsl(2, 63%, 41%)
oklchoklch(0.49 0.164 27.1)
Closest name: Blood Rush (#aa2222)Relative luminance 0.1042

Colors that go with #aa2b27

Royal Blue, Teal and Crimson 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 →

#27a6aa

#aa2764 · #aa6d27

#27aa2b · #2b27aa

Split-complementary

Open in tool →

#27aa6d · #2764aa

#64aa27 · #27a6aa · #6d27aa

Contrast

#aa2b27 as textRatioAAAA largeAAAFix
Aaon white
6.81:1passpassfail
  • AAA: use #a62a26 as the text (7.05:1)
Aaon black
3.08:1failpassfail
  • AA: use #d3413c as the text (4.59:1)
  • AAA: use #e07976 as the text (7.17:1)
  • AA: or shift the background to #d4d4d4 (4.59:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #aa2b27 as the background.

Brands using this color

Fonts for this mood

#aa2b27 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #aa2b27
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 #aa2b27 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/aa2b27-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