Color

#bf1833

#bf1833
hex#bf1833
rgbrgb(191, 24, 51)
hslhsl(350, 78%, 42%)
oklchoklch(0.517 0.196 20.8)
Closest name: Active Volcano (#bb1133)Relative luminance 0.1197

Colors that go with #bf1833

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 →

#18bfa3

#bf1887 · #bf4f18

#33bf18 · #1833bf

Split-complementary

Open in tool →

#18bf4f · #1887bf

#87bf18 · #18bfa3 · #4f18bf

Contrast

#bf1833 as textRatioAAAA largeAAAFix
Aaon white
6.19:1passpassfail
  • AAA: use #ac152f as the text (7.24:1)
Aaon black
3.39:1failpassfail
  • AA: use #e42141 as the text (4.59:1)
  • AAA: use #ed6e83 as the text (7.16:1)
  • AA: or shift the background to #dedede (4.6:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #bf1833 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#bf1833 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #bf1833
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 #bf1833 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/bf1833-c49c9e-62cb87-2d231f-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