Color

#27251b

#27251b
hex#27251b
rgbrgb(39, 37, 27)
hslhsl(50, 18%, 13%)
oklchoklch(0.263 0.018 98)
Closest name: Underworld (#1e231c)Relative luminance 0.0183

Colors that go with #27251b

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 →

#1b1d27

#271f1b · #23271b

#1b2725 · #251b27

Split-complementary

Open in tool →

#1b2327 · #1f1b27

#1b271f · #1b1d27 · #271b23

Contrast

#27251b as textRatioAAAA largeAAAFix
Aaon white
15.37:1passpasspassPasses AAA — no fix needed.
Aaon black
1.37:1failfailfail
  • AA: use #7b7556 as the text (4.52:1)
  • AAA: use #9d9672 as the text (7.04:1)
  • AA: or shift the background to #8c8c8c (4.57:1)
  • AAA: or shift the background to #b0b0b0 (7.08:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #27251b as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#27251b reads as warm, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #27251b
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 #27251b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/27251b-c4c29c-4eacdf-292d1f-f1ece9?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