Color

#aa1308

#aa1308
hex#aa1308
rgbrgb(170, 19, 8)
hslhsl(4, 91%, 35%)
oklchoklch(0.471 0.183 29.8)
Closest name: All Systems Red (#b30103)Relative luminance 0.0903

Colors that go with #aa1308

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 →

#08a0aa

#aa084e · #aa6408

#08aa13 · #1308aa

Split-complementary

Open in tool →

#08aa64 · #084eaa

#4eaa08 · #08a0aa · #6408aa

Contrast

#aa1308 as textRatioAAAA largeAAAFix
Aaon white
7.48:1passpasspassPasses AAA — no fix needed.
Aaon black
2.81:1failfailfail
  • AA: use #ea1a0b as the text (4.65:1)
  • AAA: use #f7685e as the text (7.1:1)
  • AA: or shift the background to #c9c9c9 (4.52:1)
  • AAA: or shift the background to #fafafa (7.17:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #aa1308 as the background.

Brands using this color

Fonts for this mood

#aa1308 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #aa1308
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 #aa1308 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/aa1308-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