Color

#bc0b3a

#bc0b3a
hex#bc0b3a
rgbrgb(188, 11, 58)
hslhsl(344, 89%, 39%)
oklchoklch(0.508 0.199 16.9)
Closest name: Active Volcano (#bb1133)Relative luminance 0.1124

Colors that go with #bc0b3a

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 →

#0bbc8d

#bc0b93 · #bc340b

#3abc0b · #0b3abc

Split-complementary

Open in tool →

#0bbc34 · #0b93bc

#93bc0b · #0bbc8d · #340bbc

Contrast

#bc0b3a as textRatioAAAA largeAAAFix
Aaon white
6.47:1passpassfail
  • AAA: use #b20a37 as the text (7.02:1)
Aaon black
3.25:1failpassfail
  • AA: use #e70d48 as the text (4.55:1)
  • AAA: use #f6658c as the text (7.16:1)
  • AA: or shift the background to #d9d9d9 (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 #bc0b3a as the background.

Brands using this color

Fonts for this mood

#bc0b3a reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #bc0b3a
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 #bc0b3a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/bc0b3a-c49ca2-62cb7c-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