Color

#bf3631

#bf3631
hex#bf3631
rgbrgb(191, 54, 49)
hslhsl(2, 59%, 47%)
oklchoklch(0.539 0.175 26.9)
Closest name: Bloodshed (#ba271a)Relative luminance 0.1394

Tints & shades

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

Harmonies

Complementary

Open in tool →

#31babf

#bf3173 · #bf7d31

#31bf36 · #3631bf

Split-complementary

Open in tool →

#31bf7d · #3173bf

#73bf31 · #31babf · #7d31bf

Contrast

#bf3631 as textRatioAAAA largeAAAFix
Aaon white
5.54:1passpassfail
  • AAA: use #a22e2a as the text (7.09:1)
Aaon black
3.79:1failpassfail
  • AA: use #ce4540 as the text (4.55:1)
  • AAA: use #db7975 as the text (7:1)
  • AA: or shift the background to #e8e8e8 (4.53:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #bf3631 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

#bf3631 reads as warm. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #bf3631
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 #bf3631 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/bf3631-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