Color

#bf0d31

#bf0d31
hex#bf0d31
rgbrgb(191, 13, 49)
hslhsl(348, 87%, 40%)
oklchoklch(0.513 0.201 20.5)
Closest name: Active Volcano (#bb1133)Relative luminance 0.1159

Tints & shades

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

Harmonies

Complementary

Open in tool →

#0dbf9b

#bf0d89 · #bf430d

#31bf0d · #0d31bf

Split-complementary

Open in tool →

#0dbf43 · #0d89bf

#89bf0d · #0dbf9b · #430dbf

Contrast

#bf0d31 as textRatioAAAA largeAAAFix
Aaon white
6.33:1passpassfail
  • AAA: use #b00c2d as the text (7.15:1)
Aaon black
3.32:1failpassfail
  • AA: use #ea103c as the text (4.64:1)
  • AAA: use #f46683 as the text (7.07:1)
  • AA: or shift the background to #dbdbdb (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 #bf0d31 as the background.

Brands using this color

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

Fonts for this mood

#bf0d31 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #bf0d31
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 #bf0d31 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/bf0d31-c49c9f-62cb83-2d231f-f1e9ef?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