Color

#bc3f15

#bc3f15
hex#bc3f15
rgbrgb(188, 63, 21)
hslhsl(15, 80%, 41%)
oklchoklch(0.541 0.168 37.1)
Closest name: Rust (#b7410e)Relative luminance 0.143

Colors that go with #bc3f15

Royal Blue, Sea Green and Steel Blue 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.

Real palettes that use #bc3f15

Tints & shades

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

Harmonies

Complementary

Open in tool →

#1592bc

#bc153f · #bc9215

#15bc3f · #3f15bc

Split-complementary

Open in tool →

#15bc92 · #153fbc

#3fbc15 · #1592bc · #9215bc

Contrast

#bc3f15 as textRatioAAAA largeAAAFix
Aaon white
5.44:1passpassfail
  • AAA: use #9c3411 as the text (7.21:1)
Aaon black
3.86:1failpassfail
  • AA: use #cf4517 as the text (4.52:1)
  • AAA: use #eb744c as the text (7.13:1)
  • AA: or shift the background to #ebebeb (4.56:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #bc3f15 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#bc3f15 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #bc3f15
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 #bc3f15 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/bc3f15-c4ab9c-62cbb2-2d291f-f1e9eb?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