Color

#bc1539

#bc1539
hex#bc1539
rgbrgb(188, 21, 57)
hslhsl(347, 80%, 41%)
oklchoklch(0.511 0.195 18.1)
Closest name: Active Volcano (#bb1133)Relative luminance 0.1152

Colors that go with #bc1539

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 →

#15bc98

#bc158d · #bc4415

#39bc15 · #1539bc

Split-complementary

Open in tool →

#15bc44 · #158dbc

#8dbc15 · #15bc98 · #4415bc

Contrast

#bc1539 as textRatioAAAA largeAAAFix
Aaon white
6.35:1passpassfail
  • AAA: use #ae1335 as the text (7.13:1)
Aaon black
3.3:1failpassfail
  • AA: use #e61946 as the text (4.59:1)
  • AAA: use #ef6c88 as the text (7.17:1)
  • AA: or shift the background to #d9d9d9 (4.5:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #bc1539 as the background.

Brands using this color

Fonts for this mood

#bc1539 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #bc1539
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 #bc1539 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/bc1539-c49ca0-62cb82-2d221f-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