Color

#ad391f

#ad391f
hex#ad391f
rgbrgb(173, 57, 31)
hslhsl(11, 70%, 40%)
oklchoklch(0.51 0.156 34)
Closest name: Barbarossa (#a84734)Relative luminance 0.1191

Colors that go with #ad391f

Royal Blue, Sea Green 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.

Real palettes that use #ad391f

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#1f93ad

#ad1f4c · #ad801f

#1fad39 · #391fad

Split-complementary

Open in tool →

#1fad80 · #1f4cad

#4cad1f · #1f93ad · #801fad

Contrast

#ad391f as textRatioAAAA largeAAAFix
Aaon white
6.21:1passpassfail
  • AAA: use #9c331c as the text (7.23:1)
Aaon black
3.38:1failpassfail
  • AA: use #d04425 as the text (4.54:1)
  • AAA: use #e3775f as the text (7.07:1)
  • AA: or shift the background to #dedede (4.62:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #ad391f as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#ad391f reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #ad391f
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 #ad391f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/ad391f-c4a89c-62cbab-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