Color

#f3873f

#f3873f
hex#f3873f
rgbrgb(243, 135, 63)
hslhsl(24, 88%, 60%)
oklchoklch(0.73 0.156 51.3)
Closest name: À l’Orange (#f2850d)Relative luminance 0.3674

Colors that go with #f3873f

Charcoal, Cornflower Blue and Deep Sky 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 →

#3fabf3

#f33f51 · #f3e13f

#3ff387 · #873ff3

Split-complementary

Open in tool →

#3ff3e1 · #3f51f3

#51f33f · #3fabf3 · #e13ff3

Contrast

#f3873f as textRatioAAAA largeAAAFix
Aaon white
2.52:1failfailfail
  • AA: use #c0540c as the text (4.65:1)
  • AAA: use #903f09 as the text (7.24:1)
  • AA: or shift the background to #383838 (4.66:1)
  • AAA: or shift the background to #171717 (7.13:1)
Aaon black
8.35:1passpasspassPasses AAA — no fix needed.

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #f3873f as the background.

Brands using this color

Fonts for this mood

#f3873f reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #f3873f
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 #f3873f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/f3873f-c4b19c-62cbc2-2d2b1f-f1e9ea?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