Color

#28221b

#28221b
hex#28221b
rgbrgb(40, 34, 27)
hslhsl(32, 19%, 13%)
oklchoklch(0.256 0.016 71.3)
Closest name: Underworld (#1e231c)Relative luminance 0.0167

Colors that go with #28221b

Charcoal, Amber and 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 #28221b

Tints & shades

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

Harmonies

Complementary

Open in tool →

#1b2127

#271b1b · #27271b

#1b2722 · #221b27

Split-complementary

Open in tool →

#1b2727 · #1b1b27

#1b271b · #1b2127 · #271b27

Contrast

#28221b as textRatioAAAA largeAAAFix
Aaon white
15.73:1passpasspassPasses AAA — no fix needed.
Aaon black
1.33:1failfailfail
  • AA: use #86725b as the text (4.57:1)
  • AAA: use #a6937d as the text (7.09:1)
  • AA: or shift the background to #8a8a8a (4.56:1)
  • AAA: or shift the background to #adadad (7.01:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #28221b as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#28221b reads as warm, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #28221b
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 #28221b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/28221b-c4b69c-62c5cb-2d2d1f-f1eae9?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