Color

#f4381f

#f4381f
hex#f4381f
rgbrgb(244, 56, 31)
hslhsl(7, 91%, 54%)
oklchoklch(0.632 0.226 31.1)
Closest name: Arcade Fire (#ee3311)Relative luminance 0.2216

Colors that go with #f4381f

Charcoal, Steel Blue and Cadet 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 →

#1fdcf4

#f41f71 · #f4a31f

#1ff438 · #381ff4

Split-complementary

Open in tool →

#1ff4a3 · #1f71f4

#71f41f · #1fdcf4 · #a31ff4

Contrast

#f4381f as textRatioAAAA largeAAAFix
Aaon white
3.87:1failpassfail
  • AA: use #e5240b as the text (4.58:1)
  • AAA: use #af1c08 as the text (7.02:1)
  • AA: or shift the background to #1a1a1a (4.5:1)
Aaon black
5.43:1passpassfail
  • AAA: use #f76755 as the text (7.03:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #f4381f as the background.

Brands using this color

Fonts for this mood

#f4381f reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #f4381f
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 #f4381f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/f4381f-c4a59c-62cba4-2d271f-f1e9ec?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