Color

#bc0b1a

#bc0b1a
hex#bc0b1a
rgbrgb(188, 11, 26)
hslhsl(355, 89%, 39%)
oklchoklch(0.504 0.2 26.3)
Closest name: Bullseye (#b9030a)Relative luminance 0.1101

Colors that go with #bc0b1a

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 →

#0bbcad

#bc0b72 · #bc550b

#1abc0b · #0b1abc

Split-complementary

Open in tool →

#0bbc55 · #0b72bc

#72bc0b · #0bbcad · #550bbc

Contrast

#bc0b1a as textRatioAAAA largeAAAFix
Aaon white
6.56:1passpassfail
  • AAA: use #b20a18 as the text (7.12:1)
Aaon black
3.2:1failpassfail
  • AA: use #ec0e20 as the text (4.65:1)
  • AAA: use #f66571 as the text (7.02:1)
  • AA: or shift the background to #d6d6d6 (4.51:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #bc0b1a as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#bc0b1a reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #bc0b1a
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 #bc0b1a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/bc0b1a-c49e9c-62cb8f-2d241f-f1e9ee?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