Color

#bc370b

#bc370b
hex#bc370b
rgbrgb(188, 55, 11)
hslhsl(15, 89%, 39%)
oklchoklch(0.532 0.176 36)
Closest name: Bolognese (#bb4400)Relative luminance 0.1345

Tints & shades

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

Harmonies

Complementary

Open in tool →

#0b90bc

#bc0b37 · #bc900b

#0bbc37 · #370bbc

Split-complementary

Open in tool →

#0bbc90 · #0b37bc

#37bc0b · #0b90bc · #900bbc

Contrast

#bc370b as textRatioAAAA largeAAAFix
Aaon white
5.69:1passpassfail
  • AAA: use #9f2f09 as the text (7.28:1)
Aaon black
3.69:1failpassfail
  • AA: use #d9400d as the text (4.69:1)
  • AAA: use #f46c3e as the text (7.06:1)
  • AA: or shift the background to #e6e6e6 (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 #bc370b as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#bc370b reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #bc370b
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

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

analyze #bc370b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/bc370b-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