Color

#ad3e34

#ad3e34
hex#ad3e34
rgbrgb(173, 62, 52)
hslhsl(5, 54%, 44%)
oklchoklch(0.518 0.147 28.4)
Closest name: Barbarossa (#a84734)Relative luminance 0.1258

Colors that go with #ad3e34

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 #ad3e34

Tints & shades

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

Harmonies

Complementary

Open in tool →

#34a3ad

#ad3466 · #ad7a34

#34ad3e · #3e34ad

Split-complementary

Open in tool →

#34ad7a · #3466ad

#66ad34 · #34a3ad · #7a34ad

Contrast

#ad3e34 as textRatioAAAA largeAAAFix
Aaon white
5.97:1passpassfail
  • AAA: use #99372e as the text (7.14:1)
Aaon black
3.52:1failpassfail
  • AA: use #c74e43 as the text (4.6:1)
  • AAA: use #d67e76 as the text (7.11:1)
  • AA: or shift the background to #e0e0e0 (4.53:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #ad3e34 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#ad3e34 reads as warm. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #ad3e34
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 #ad3e34 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/ad3e34-c4a49c-62cba1-2d261f-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