Color

#bb381b

#bb381b
hex#bb381b
rgbrgb(187, 56, 27)
hslhsl(11, 75%, 42%)
oklchoklch(0.532 0.172 33.8)
Closest name: Bloodshed (#ba271a)Relative luminance 0.1347

Tints & shades

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

Harmonies

Complementary

Open in tool →

#1b9ebb

#bb1b4e · #bb891b

#1bbb38 · #381bbb

Split-complementary

Open in tool →

#1bbb89 · #1b4ebb

#4ebb1b · #1b9ebb · #891bbb

Contrast

#bb381b as textRatioAAAA largeAAAFix
Aaon white
5.68:1passpassfail
  • AAA: use #a13017 as the text (7.12:1)
Aaon black
3.69:1failpassfail
  • AA: use #d6401f as the text (4.61:1)
  • AAA: use #e7745a as the text (7.04:1)
  • AA: or shift the background to #e6e6e6 (4.55:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #bb381b as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Palettes built around it

Fonts for this mood

#bb381b reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #bb381b
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 #bb381b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/bb381b-c4a89c-62cbab-2d281f-f1e9ec?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