Color

#aa132c

#aa132c
hex#aa132c
rgbrgb(170, 19, 44)
hslhsl(350, 80%, 37%)
oklchoklch(0.474 0.18 20.8)
Closest name: Blood Rush (#aa2222)Relative luminance 0.0919

Colors that go with #aa132c

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 →

#13aa91

#aa1378 · #aa4513

#2caa13 · #132caa

Split-complementary

Open in tool →

#13aa45 · #1378aa

#78aa13 · #13aa91 · #4513aa

Contrast

#aa132c as textRatioAAAA largeAAAFix
Aaon white
7.4:1passpasspassPasses AAA — no fix needed.
Aaon black
2.84:1failfailfail
  • AA: use #e6193c as the text (4.57:1)
  • AAA: use #ef6c82 as the text (7.14:1)
  • AA: or shift the background to #cccccc (4.61:1)
  • AAA: or shift the background to #fafafa (7.09:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #aa132c as the background.

Brands using this color

Fonts for this mood

#aa132c reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #aa132c
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 #aa132c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/aa132c-c49c9e-62cb87-2d231f-f1e9ee?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