Color

#bf183f

#bf183f
hex#bf183f
rgbrgb(191, 24, 63)
hslhsl(346, 78%, 42%)
oklchoklch(0.519 0.196 16.5)
Closest name: Active Volcano (#bb1133)Relative luminance 0.1209

Colors that go with #bf183f

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 →

#18bf98

#bf1892 · #bf4418

#3fbf18 · #183fbf

Split-complementary

Open in tool →

#18bf44 · #1892bf

#92bf18 · #18bf98 · #4418bf

Contrast

#bf183f as textRatioAAAA largeAAAFix
Aaon white
6.14:1passpassfail
  • AAA: use #ac1539 as the text (7.19:1)
Aaon black
3.42:1failpassfail
  • AA: use #e31c4a as the text (4.53:1)
  • AAA: use #ed6e8b as the text (7.2:1)
  • AA: or shift the background to #dedede (4.57:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #bf183f as the background.

Brands using this color

Fonts for this mood

#bf183f reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #bf183f
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 #bf183f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/bf183f-c49ca1-62cb80-2d221f-f1e9ef?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