Color

#bc0401

#bc0401
hex#bc0401
rgbrgb(188, 4, 1)
hslhsl(1, 99%, 37%)
oklchoklch(0.501 0.204 29.4)
Closest name: Bloody Mary (#ba0105)Relative luminance 0.1078

Tints & shades

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

Harmonies

Complementary

Open in tool →

#01b9bc

#bc015b · #bc6101

#01bc04 · #0401bc

Split-complementary

Open in tool →

#01bc61 · #015bbc

#5bbc01 · #01b9bc · #6101bc

Contrast

#bc0401 as textRatioAAAA largeAAAFix
Aaon white
6.65:1passpassfail
  • AAA: use #b20401 as the text (7.21:1)
Aaon black
3.16:1failpassfail
  • AA: use #ef0501 as the text (4.69:1)
  • AAA: use #fe5f5d as the text (7.01:1)
  • AA: or shift the background to #d6d6d6 (4.58:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #bc0401 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#bc0401 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #bc0401
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 #bc0401 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/bc0401-c4a19c-62cb9a-2d261f-f1e9ed?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