Color

#bb1122

#bb1122
hex#bb1122
rgbrgb(187, 17, 34)
hslhsl(354, 83%, 40%)
oklchoklch(0.504 0.197 24.9)
Closest name: Bullseye (#b9030a)Relative luminance 0.1108

Tints & shades

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

Harmonies

Complementary

Open in tool →

#11bbaa

#bb1177 · #bb5511

#22bb11 · #1122bb

Split-complementary

Open in tool →

#11bb55 · #1177bb

#77bb11 · #11bbaa · #5511bb

Contrast

#bb1122 as textRatioAAAA largeAAAFix
Aaon white
6.53:1passpassfail
  • AAA: use #b11021 as the text (7.08:1)
Aaon black
3.22:1failpassfail
  • AA: use #e9162b as the text (4.61:1)
  • AAA: use #f16a77 as the text (7.07:1)
  • 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 #bb1122 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#bb1122 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #bb1122
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 #bb1122 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/bb1122-c49d9c-62cb8e-2d241f-f1e9ee?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