Color

#ad3f2e

#ad3f2e
hex#ad3f2e
rgbrgb(173, 63, 46)
hslhsl(8, 58%, 43%)
oklchoklch(0.519 0.148 31.3)
Closest name: Barbarossa (#a84734)Relative luminance 0.1264

Colors that go with #ad3f2e

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 #ad3f2e

Tints & shades

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

Harmonies

Complementary

Open in tool →

#2e9cad

#ad2e5d · #ad7f2e

#2ead3f · #3f2ead

Split-complementary

Open in tool →

#2ead7f · #2e5dad

#5dad2e · #2e9cad · #7f2ead

Contrast

#ad3f2e as textRatioAAAA largeAAAFix
Aaon white
5.95:1passpassfail
  • AAA: use #993829 as the text (7.11:1)
Aaon black
3.53:1failpassfail
  • AA: use #cb4d3a as the text (4.66:1)
  • AAA: use #d87c6e as the text (7.03:1)
  • AA: or shift the background to #e0e0e0 (4.51:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #ad3f2e as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#ad3f2e reads as warm. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #ad3f2e
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 #ad3f2e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/ad3f2e-c4a69c-62cba6-2d271f-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