Color

#bf1839

#bf1839
hex#bf1839
rgbrgb(191, 24, 57)
hslhsl(348, 78%, 42%)
oklchoklch(0.518 0.196 18.7)
Closest name: Active Volcano (#bb1133)Relative luminance 0.1203

Tints & shades

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

Harmonies

Complementary

Open in tool →

#18bf9d

#bf188d · #bf4a18

#39bf18 · #1839bf

Split-complementary

Open in tool →

#18bf4a · #188dbf

#8dbf18 · #18bf9d · #4a18bf

Contrast

#bf1839 as textRatioAAAA largeAAAFix
Aaon white
6.17:1passpassfail
  • AAA: use #ac1534 as the text (7.21:1)
Aaon black
3.41:1failpassfail
  • AA: use #e31c44 as the text (4.52:1)
  • AAA: use #ed6e87 as the text (7.18:1)
  • AA: or shift the background to #dedede (4.58:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #bf1839 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

#bf1839 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #bf1839
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 #bf1839 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/bf1839-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