Color

#f4011d

#f4011d
hex#f4011d
rgbrgb(244, 1, 29)
hslhsl(353, 99%, 48%)
oklchoklch(0.609 0.248 26.9)
Closest name: Assassin’s Red (#f60206)Relative luminance 0.1934

Colors that go with #f4011d

Charcoal, Royal Blue and Steel Blue 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 →

#01f4d7

#f40197 · #f45e01

#1df401 · #011df4

Split-complementary

Open in tool →

#01f45e · #0197f4

#97f401 · #01f4d7 · #5e01f4

Contrast

#f4011d as textRatioAAAA largeAAAFix
Aaon white
4.31:1failpassfail
  • AA: use #e9011c as the text (4.68:1)
  • AAA: use #b20116 as the text (7.22:1)
  • AA: or shift the background to #0d0d0d (4.51:1)
Aaon black
4.87:1passpassfail
  • AAA: use #fe5d6f as the text (7.01:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #f4011d as the background.

Brands using this color

Fonts for this mood

#f4011d reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #f4011d
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 #f4011d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/f4011d-c49c9c-62cb8c-2d241f-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