Color

#271b2d

#271b2d
hex#271b2d
rgbrgb(39, 27, 45)
hslhsl(280, 25%, 14%)
oklchoklch(0.245 0.037 314.1)
Closest name: Eclipse Elixir (#1f2133)Relative luminance 0.014

Colors that go with #271b2d

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 →

#212d1b

#1e1b2d · #2d1b2a

#2d271b · #1b2d27

Split-complementary

Open in tool →

#2a2d1b · #1b2d1e

#2d1e1b · #212d1b · #1b2a2d

Contrast

#271b2d as textRatioAAAA largeAAAFix
Aaon white
16.39:1passpasspassPasses AAA — no fix needed.
Aaon black
1.28:1failfailfail
  • AA: use #8f66a3 as the text (4.6:1)
  • AAA: use #ab8cba as the text (7.19:1)
  • AA: or shift the background to #878787 (4.56:1)
  • AAA: or shift the background to #ababab (7.14:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #271b2d as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#271b2d reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #271b2d
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 #271b2d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/271b2d-b99fc1-b8cb62-2d1f2c-ebe9f1?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