Color

#f4010d

#f4010d
hex#f4010d
rgbrgb(244, 1, 13)
hslhsl(357, 99%, 48%)
oklchoklch(0.608 0.249 28.5)
Closest name: Assassin’s Red (#f60206)Relative luminance 0.1928

Colors that go with #f4010d

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 →

#01f4e7

#f40187 · #f46e01

#0df401 · #010df4

Split-complementary

Open in tool →

#01f46e · #0187f4

#87f401 · #01f4e7 · #6e01f4

Contrast

#f4010d as textRatioAAAA largeAAAFix
Aaon white
4.32:1failpassfail
  • AA: use #e9010d as the text (4.69:1)
  • AAA: use #b2010a as the text (7.24:1)
  • AA: or shift the background to #0a0a0a (4.58:1)
Aaon black
4.86:1passpassfail
  • AAA: use #fe626a as the text (7.17:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #f4010d as the background.

Brands using this color

Fonts for this mood

#f4010d reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #f4010d
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 #f4010d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/f4010d-c49f9c-62cb93-2d251f-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