Color

#b6111f

#b6111f
hex#b6111f
rgbrgb(182, 17, 31)
hslhsl(355, 83%, 39%)
oklchoklch(0.495 0.193 25.4)
Closest name: Bullseye (#b9030a)Relative luminance 0.1044

Colors that go with #b6111f

Royal Blue, Steel Blue and Teal 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 →

#11b6a8

#b61171 · #b65611

#1fb611 · #111fb6

Split-complementary

Open in tool →

#11b656 · #1171b6

#71b611 · #11b6a8 · #5611b6

Contrast

#b6111f as textRatioAAAA largeAAAFix
Aaon white
6.8:1passpassfail
  • AAA: use #b1101e as the text (7.09:1)
Aaon black
3.09:1failpassfail
  • AA: use #e91627 as the text (4.61:1)
  • AAA: use #f16a75 as the text (7.06:1)
  • AA: or shift the background to #d4d4d4 (4.59:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #b6111f as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#b6111f reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #b6111f
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 #b6111f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/b6111f-c49e9c-62cb8f-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