Color

#aa081b

#aa081b
hex#aa081b
rgbrgb(170, 8, 27)
hslhsl(353, 91%, 35%)
oklchoklch(0.468 0.186 25.2)
Closest name: Blood Rush (#aa2222)Relative luminance 0.088

Colors that go with #aa081b

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 →

#08aa98

#aa086c · #aa4608

#1baa08 · #081baa

Split-complementary

Open in tool →

#08aa46 · #086caa

#6caa08 · #08aa98 · #4608aa

Contrast

#aa081b as textRatioAAAA largeAAAFix
Aaon white
7.61:1passpasspassPasses AAA — no fix needed.
Aaon black
2.76:1failfailfail
  • AA: use #ea0b25 as the text (4.57:1)
  • AAA: use #f86374 as the text (7.03:1)
  • AA: or shift the background to #c7c7c7 (4.5:1)
  • AAA: or shift the background to #f7f7f7 (7.1:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #aa081b as the background.

Brands using this color

Fonts for this mood

#aa081b reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #aa081b
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 #aa081b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/aa081b-c49c9c-62cb8c-2d241f-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