Color

#28101d

#28101d
hex#28101d
rgbrgb(40, 16, 29)
hslhsl(328, 43%, 11%)
oklchoklch(0.215 0.045 347.8)
Closest name: Black Cherry (#2c1620)Relative luminance 0.0091

Colors that go with #28101d

Charcoal, Dark Olive Green and Sea Green 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 →

#10281b

#271028 · #281011

#1d2810 · #101d28

Split-complementary

Open in tool →

#112810 · #102827

#282710 · #10281b · #101128

Contrast

#28101d as textRatioAAAA largeAAAFix
Aaon white
17.77:1passpasspassPasses AAA — no fix needed.
Aaon black
1.18:1failfailfail
  • AA: use #b95088 as the text (4.57:1)
  • AAA: use #cc7fa8 as the text (7.17:1)
  • AA: or shift the background to #828282 (4.62:1)
  • AAA: or shift the background to #a3a3a3 (7.04:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #28101d as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#28101d reads as warm, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #28101d
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 #28101d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/28101d-c19fad-64cb62-2d1f21-f1e9f1?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