Color

#bb0202

#bb0202
hex#bb0202
rgbrgb(187, 2, 2)
hslhsl(0, 98%, 37%)
oklchoklch(0.498 0.203 29.1)
Closest name: Bloody Mary (#ba0105)Relative luminance 0.1061

Tints & shades

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

Harmonies

Complementary

Open in tool →

#02bbbb

#bb025e · #bb5e02

#02bb02 · #0202bb

Split-complementary

Open in tool →

#02bb5e · #025ebb

#5ebb02 · #02bbbb · #5e02bb

Contrast

#bb0202 as textRatioAAAA largeAAAFix
Aaon white
6.73:1passpassfail
Aaon black
3.12:1failpassfail
  • AA: use #ed0202 as the text (4.61:1)
  • AAA: use #fd6262 as the text (7.1:1)
  • AA: or shift the background to #d4d4d4 (4.54:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #bb0202 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#bb0202 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #bb0202
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 #bb0202 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/bb0202-c4a19c-62cb98-2d251f-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