Color

#bd0b05

#bd0b05
hex#bd0b05
rgbrgb(189, 11, 5)
hslhsl(2, 95%, 38%)
oklchoklch(0.505 0.203 29.4)
Closest name: Bloody Mary (#ba0105)Relative luminance 0.1107

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#05b7bd

#bd055b · #bd6705

#05bd0b · #0b05bd

Split-complementary

Open in tool →

#05bd67 · #055bbd

#5bbd05 · #05b7bd · #6705bd

Contrast

#bd0b05 as textRatioAAAA largeAAAFix
Aaon white
6.53:1passpassfail
  • AAA: use #b30a05 as the text (7.09:1)
Aaon black
3.21:1failpassfail
  • AA: use #ea0e06 as the text (4.56:1)
  • AAA: use #fb6560 as the text (7.13:1)
  • AA: or shift the background to #d9d9d9 (4.63:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #bd0b05 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#bd0b05 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #bd0b05
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #bd0b05 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/bd0b05-c4a29c-62cb9c-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