Color

#bf182b

#bf182b
hex#bf182b
rgbrgb(191, 24, 43)
hslhsl(353, 78%, 42%)
oklchoklch(0.516 0.197 23.3)
Closest name: Active Volcano (#bb1133)Relative luminance 0.119

Colors that go with #bf182b

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 →

#18bfab

#bf187f · #bf5818

#2bbf18 · #182bbf

Split-complementary

Open in tool →

#18bf58 · #187fbf

#7fbf18 · #18bfab · #5818bf

Contrast

#bf182b as textRatioAAAA largeAAAFix
Aaon white
6.21:1passpassfail
  • AAA: use #ac1527 as the text (7.26:1)
Aaon black
3.38:1failpassfail
  • AA: use #e42137 as the text (4.57:1)
  • AAA: use #ed6e7d as the text (7.13:1)
  • AA: or shift the background to #dedede (4.62:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #bf182b as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#bf182b reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #bf182b
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 #bf182b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/bf182b-c49c9c-62cb8c-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