Color

#bc0b34

#bc0b34
hex#bc0b34
rgbrgb(188, 11, 52)
hslhsl(346, 89%, 39%)
oklchoklch(0.507 0.199 19.1)
Closest name: Active Volcano (#bb1133)Relative luminance 0.1118

Colors that go with #bc0b34

Royal Blue, Steel Blue and Teal lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#0bbc93

#bc0b8d · #bc3a0b

#34bc0b · #0b34bc

Split-complementary

Open in tool →

#0bbc3a · #0b8dbc

#8dbc0b · #0bbc93 · #3a0bbc

Contrast

#bc0b34 as textRatioAAAA largeAAAFix
Aaon white
6.49:1passpassfail
  • AAA: use #b20a32 as the text (7.04:1)
Aaon black
3.24:1failpassfail
  • AA: use #e70d40 as the text (4.53:1)
  • AAA: use #f66587 as the text (7.13:1)
  • AA: or shift the background to #d9d9d9 (4.6:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #bc0b34 as the background.

Brands using this color

Fonts for this mood

#bc0b34 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #bc0b34
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #bc0b34 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/bc0b34-c49ca1-62cb80-2d221f-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