Color

#aa0818

#aa0818
hex#aa0818
rgbrgb(170, 8, 24)
hslhsl(354, 91%, 35%)
oklchoklch(0.467 0.186 25.9)
Closest name: Blood Rush (#aa2222)Relative luminance 0.0879

Colors that go with #aa0818

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 →

#08aa9a

#aa0869 · #aa4908

#18aa08 · #0818aa

Split-complementary

Open in tool →

#08aa49 · #0869aa

#69aa08 · #08aa9a · #4908aa

Contrast

#aa0818 as textRatioAAAA largeAAAFix
Aaon white
7.62:1passpasspassPasses AAA — no fix needed.
Aaon black
2.76:1failfailfail
  • AA: use #ea0b21 as the text (4.57:1)
  • AAA: use #f86372 as the text (7.02:1)
  • AA: or shift the background to #c7c7c7 (4.51:1)
  • AAA: or shift the background to #f7f7f7 (7.11:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #aa0818 as the background.

Brands using this color

Fonts for this mood

#aa0818 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #aa0818
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 #aa0818 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/aa0818-c49d9c-62cb8e-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