Color

#271b28

#271b28
hex#271b28
rgbrgb(39, 27, 40)
hslhsl(295, 19%, 13%)
oklchoklch(0.243 0.03 323.9)
Closest name: Black Cherry (#2c1620)Relative luminance 0.0137

Colors that go with #271b28

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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#1c271b

#201b27 · #271b22

#27261b · #1b2726

Split-complementary

Open in tool →

#22271b · #1b2720

#27201b · #1c271b · #1b2227

Contrast

#271b28 as textRatioAAAA largeAAAFix
Aaon white
16.49:1passpasspassPasses AAA — no fix needed.
Aaon black
1.27:1failfailfail
  • AA: use #946798 as the text (4.65:1)
  • AAA: use #ad8cb1 as the text (7.16:1)
  • AA: or shift the background to #878787 (4.59:1)
  • AAA: or shift the background to #ababab (7.18:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #271b28 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#271b28 reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #271b28
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 #271b28 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/271b28-c19fbf-9dcb62-2d1f28-ede9f1?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