Color

#bf033b

#bf033b
hex#bf033b
rgbrgb(191, 3, 59)
hslhsl(342, 97%, 38%)
oklchoklch(0.512 0.203 16.5)
Closest name: Active Volcano (#bb1133)Relative luminance 0.1146

Tints & shades

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

Harmonies

Complementary

Open in tool →

#03bf86

#bf0399 · #bf2903

#3bbf03 · #033bbf

Split-complementary

Open in tool →

#03bf29 · #0399bf

#99bf03 · #03bf86 · #2903bf

Contrast

#bf033b as textRatioAAAA largeAAAFix
Aaon white
6.38:1passpassfail
  • AAA: use #b00337 as the text (7.21:1)
Aaon black
3.29:1failpassfail
  • AA: use #e70448 as the text (4.51:1)
  • AAA: use #fd5e8e as the text (7.17:1)
  • AA: or shift the background to #d9d9d9 (4.52:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #bf033b 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

#bf033b reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #bf033b
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 #bf033b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/bf033b-c49ca3-62cb79-2d211f-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