Color

#25311b

#25311b
hex#25311b
rgbrgb(37, 49, 27)
hslhsl(93, 29%, 15%)
oklchoklch(0.295 0.041 131.8)
Closest name: Darkest Forest (#223311)Relative luminance 0.0267

Colors that go with #25311b

Charcoal, Dark Olive 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 →

#271b31

#30311b · #1b311c

#1b2531 · #311b25

Split-complementary

Open in tool →

#1c1b31 · #311b30

#1b3031 · #271b31 · #311c1b

Contrast

#25311b as textRatioAAAA largeAAAFix
Aaon white
13.69:1passpasspassPasses AAA — no fix needed.
Aaon black
1.53:1failfailfail
  • AA: use #618047 as the text (4.69:1)
  • AAA: use #79a159 as the text (7.06:1)
  • AA: or shift the background to #949494 (4.51:1)
  • AAA: or shift the background to #bababa (7.05:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #25311b as the background.

Brands using this color

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

Palettes built around it

Fonts for this mood

#25311b reads as muted, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #25311b
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 #25311b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/25311b-abbea2-584edf-202d1f-f0f1e9?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