Color

#bc243b

#bc243b
hex#bc243b
rgbrgb(188, 36, 59)
hslhsl(351, 68%, 44%)
oklchoklch(0.52 0.186 19.3)
Closest name: Active Volcano (#bb1133)Relative luminance 0.1227

Tints & shades

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

Harmonies

Complementary

Open in tool →

#24bca6

#bc2487 · #bc5924

#3bbc24 · #243bbc

Split-complementary

Open in tool →

#24bc59 · #2487bc

#87bc24 · #24bca6 · #5924bc

Contrast

#bc243b as textRatioAAAA largeAAAFix
Aaon white
6.08:1passpassfail
  • AAA: use #a72034 as the text (7.24:1)
Aaon black
3.45:1failpassfail
  • AA: use #d9364e as the text (4.59:1)
  • AAA: use #e47283 as the text (7.03:1)
  • AA: or shift the background to #dedede (4.52:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #bc243b 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

#bc243b reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #bc243b
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 #bc243b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/bc243b-c49c9e-62cb89-2d231f-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