Color

#aa0e13

#aa0e13
hex#aa0e13
rgbrgb(170, 14, 19)
hslhsl(358, 85%, 36%)
oklchoklch(0.469 0.184 27.5)
Closest name: Blood Rush (#aa2222)Relative luminance 0.0891

Colors that go with #aa0e13

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 →

#0eaaa5

#aa0e61 · #aa570e

#13aa0e · #0e13aa

Split-complementary

Open in tool →

#0eaa57 · #0e61aa

#61aa0e · #0eaaa5 · #570eaa

Contrast

#aa0e13 as textRatioAAAA largeAAAFix
Aaon white
7.55:1passpasspassPasses AAA — no fix needed.
Aaon black
2.78:1failfailfail
  • AA: use #e7131a as the text (4.51:1)
  • AAA: use #f3686d as the text (7.01:1)
  • AA: or shift the background to #c9c9c9 (4.56:1)
  • AAA: or shift the background to #f7f7f7 (7.05:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #aa0e13 as the background.

Brands using this color

Fonts for this mood

#aa0e13 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #aa0e13
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 #aa0e13 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/aa0e13-c49f9c-62cb95-2d251f-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