Color

#fb3e18

#fb3e18
hex#fb3e18
rgbrgb(251, 62, 24)
hslhsl(10, 97%, 54%)
oklchoklch(0.648 0.229 32.7)
Closest name: orangered (#ff4500)Relative luminance 0.2402

Colors that go with #fb3e18

Charcoal, Cadet Blue and Amber 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 →

#18d6fb

#fb1864 · #fbb018

#18fb3e · #3e18fb

Split-complementary

Open in tool →

#18fbb0 · #1864fb

#64fb18 · #18d6fb · #b018fb

Contrast

#fb3e18 as textRatioAAAA largeAAAFix
Aaon white
3.62:1failpassfail
  • AA: use #e22903 as the text (4.61:1)
  • AAA: use #ab1f03 as the text (7.17:1)
  • AA: or shift the background to #1f1f1f (4.56:1)
Aaon black
5.8:1passpassfail
  • AAA: use #fc6445 as the text (7.05:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #fb3e18 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#fb3e18 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #fb3e18
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 #fb3e18 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/fb3e18-c4a79c-62cbaa-2d281f-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