Color

#f41101

#f41101
hex#f41101
rgbrgb(244, 17, 1)
hslhsl(4, 99%, 48%)
oklchoklch(0.611 0.246 29.8)
Closest name: Assassin’s Red (#f60206)Relative luminance 0.1964

Colors that go with #f41101

Charcoal, Royal Blue and Sea 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 →

#01e3f4

#f4016a · #f48b01

#01f411 · #1101f4

Split-complementary

Open in tool →

#01f48b · #016af4

#6af401 · #01e3f4 · #8b01f4

Contrast

#f41101 as textRatioAAAA largeAAAFix
Aaon white
4.26:1failpassfail
  • AA: use #e91101 as the text (4.62:1)
  • AAA: use #b20d01 as the text (7.12:1)
  • AA: or shift the background to #0d0d0d (4.56:1)
Aaon black
4.93:1passpassfail
  • AAA: use #fe6358 as the text (7.14:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #f41101 as the background.

Brands using this color

Fonts for this mood

#f41101 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #f41101
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 #f41101 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/f41101-c4a39c-62cb9f-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