Color

#bd0d00

#bd0d00
hex#bd0d00
rgbrgb(189, 13, 0)
hslhsl(4, 100%, 37%)
oklchoklch(0.505 0.202 30)
Closest name: Bloody Mary (#ba0105)Relative luminance 0.1111

Colors that go with #bd0d00

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 →

#00b0bd

#bd0052 · #bd6b00

#00bd0d · #0d00bd

Split-complementary

Open in tool →

#00bd6b · #0052bd

#52bd00 · #00b0bd · #6b00bd

Contrast

#bd0d00 as textRatioAAAA largeAAAFix
Aaon white
6.52:1passpassfail
  • AAA: use #b30c00 as the text (7.07:1)
Aaon black
3.22:1failpassfail
  • AA: use #eb1000 as the text (4.61:1)
  • AAA: use #ff6257 as the text (7.14:1)
  • AA: or shift the background to #d9d9d9 (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 #bd0d00 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#bd0d00 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #bd0d00
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 #bd0d00 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/bd0d00-c4a39c-62cb9f-2d261f-f1e9ed?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