Color

#bb0b02

#bb0b02
hex#bb0b02
rgbrgb(187, 11, 2)
hslhsl(3, 98%, 37%)
oklchoklch(0.5 0.201 29.7)
Closest name: Bloody Mary (#ba0105)Relative luminance 0.1081

Colors that go with #bb0b02

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 →

#02b2bb

#bb0255 · #bb6802

#02bb0b · #0b02bb

Split-complementary

Open in tool →

#02bb68 · #0255bb

#55bb02 · #02b2bb · #6802bb

Contrast

#bb0b02 as textRatioAAAA largeAAAFix
Aaon white
6.64:1passpassfail
  • AAA: use #b10b02 as the text (7.2:1)
Aaon black
3.16:1failpassfail
  • AA: use #ed0e02 as the text (4.66:1)
  • AAA: use #fd6158 as the text (7.03:1)
  • AA: or shift the background to #d6d6d6 (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 #bb0b02 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#bb0b02 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #bb0b02
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 #bb0b02 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/bb0b02-c4a39c-62cb9d-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