Color

#aa2b22

#aa2b22
hex#aa2b22
rgbrgb(170, 43, 34)
hslhsl(4, 67%, 40%)
oklchoklch(0.49 0.165 28.8)
Closest name: Blood Rush (#aa2222)Relative luminance 0.1039

Colors that go with #aa2b22

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 →

#22a1aa

#aa225d · #aa6f22

#22aa2b · #2b22aa

Split-complementary

Open in tool →

#22aa6f · #225daa

#5daa22 · #22a1aa · #6f22aa

Contrast

#aa2b22 as textRatioAAAA largeAAAFix
Aaon white
6.82:1passpassfail
  • AAA: use #a62a21 as the text (7.06:1)
Aaon black
3.08:1failpassfail
  • AA: use #d73e33 as the text (4.63:1)
  • AAA: use #e2766e as the text (7.05:1)
  • AA: or shift the background to #d4d4d4 (4.6:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #aa2b22 as the background.

Brands using this color

Fonts for this mood

#aa2b22 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #aa2b22
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 #aa2b22 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/aa2b22-c4a39c-62cb9f-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