Color

#a61111

#a61111
hex#a61111
rgbrgb(166, 17, 17)
hslhsl(0, 81%, 36%)
oklchoklch(0.462 0.18 28.1)
Closest name: Blood Rush (#aa2222)Relative luminance 0.0855

Colors that go with #a61111

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 →

#11a6a6

#a6115c · #a65c11

#11a611 · #1111a6

Split-complementary

Open in tool →

#11a65c · #115ca6

#5ca611 · #11a6a6 · #5c11a6

Contrast

#a61111 as textRatioAAAA largeAAAFix
Aaon white
7.75:1passpasspassPasses AAA — no fix needed.
Aaon black
2.71:1failfailfail
  • AA: use #e71818 as the text (4.54:1)
  • AAA: use #f07070 as the text (7.26:1)
  • AA: or shift the background to #c7c7c7 (4.58:1)
  • AAA: or shift the background to #f5f5f5 (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 #a61111 as the background.

Brands using this color

Fonts for this mood

#a61111 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #a61111
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 #a61111 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/a61111-c4a19c-62cb98-2d251f-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