Color

#bf1f03

#bf1f03
hex#bf1f03
rgbrgb(191, 31, 3)
hslhsl(9, 97%, 38%)
oklchoklch(0.517 0.196 31.6)
Closest name: Bloodshed (#ba271a)Relative luminance 0.1206

Colors that go with #bf1f03

Royal Blue, Sea Green and Steel Blue 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 →

#03a3bf

#bf0345 · #bf7d03

#03bf1f · #1f03bf

Split-complementary

Open in tool →

#03bf7d · #0345bf

#45bf03 · #03a3bf · #7d03bf

Contrast

#bf1f03 as textRatioAAAA largeAAAFix
Aaon white
6.15:1passpassfail
  • AAA: use #ab1c03 as the text (7.24:1)
Aaon black
3.41:1failpassfail
  • AA: use #e72604 as the text (4.68:1)
  • AAA: use #fc654a as the text (7.1:1)
  • 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 #bf1f03 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#bf1f03 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #bf1f03
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 #bf1f03 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/bf1f03-c4a79c-62cba8-2d271f-f1e9ec?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