Color

#2c273a

#2c273a
hex#2c273a
rgbrgb(44, 39, 58)
hslhsl(256, 20%, 19%)
oklchoklch(0.287 0.035 296.2)
Closest name: Haiti (#2c2a35)Relative luminance 0.0229

Colors that go with #2c273a

Dark Olive Green, Sea Green and Sienna 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 →

#353a27

#272b3a · #36273a

#3a2c27 · #273a2c

Split-complementary

Open in tool →

#3a3627 · #2b3a27

#3a272b · #353a27 · #273a36

Contrast

#2c273a as textRatioAAAA largeAAAFix
Aaon white
14.4:1passpasspassPasses AAA — no fix needed.
Aaon black
1.46:1failfailfail
  • AA: use #7c6f9f as the text (4.63:1)
  • AAA: use #9b91b6 as the text (7.12:1)
  • AA: or shift the background to #919191 (4.57:1)
  • AAA: or shift the background to #b5b5b5 (7.02:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2c273a as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#2c273a reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2c273a
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 #2c273a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2c273a-ab9cc4-dfbf4e-291f2d-e9ebf1?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