Color

#b01411

#b01411
hex#b01411
rgbrgb(176, 20, 17)
hslhsl(1, 82%, 38%)
oklchoklch(0.483 0.187 28.6)
Closest name: All Systems Red (#b30103)Relative luminance 0.0977

Colors that go with #b01411

Royal Blue, Teal and Dark Olive Green 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 →

#11aeb0

#b0115e · #b06411

#11b014 · #1411b0

Split-complementary

Open in tool →

#11b064 · #115eb0

#5eb011 · #11aeb0 · #6411b0

Contrast

#b01411 as textRatioAAAA largeAAAFix
Aaon white
7.11:1passpasspassPasses AAA — no fix needed.
Aaon black
2.95:1failfailfail
  • AA: use #e81a17 as the text (4.59:1)
  • AAA: use #f06d6a as the text (7.1:1)
  • AA: or shift the background to #cfcfcf (4.56:1)
  • AAA: or shift the background to #ffffff (7.11:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #b01411 as the background.

Brands using this color

Fonts for this mood

#b01411 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #b01411
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 #b01411 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/b01411-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