Color

#25525b

#25525b
hex#25525b
rgbrgb(37, 82, 91)
hslhsl(190, 42%, 25%)
oklchoklch(0.411 0.051 212.4)
Closest name: darkslategray (#2f4f4f)Relative luminance 0.0718

Colors that go with #25525b

Steel Blue, Rust 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 →

#5b2e25

#255b49 · #25375b

#5b2552 · #525b25

Split-complementary

Open in tool →

#5b2537 · #5b4925

#49255b · #5b2e25 · #375b25

Contrast

#25525b as textRatioAAAA largeAAAFix
Aaon white
8.62:1passpasspassPasses AAA — no fix needed.
Aaon black
2.44:1failfailfail
  • AA: use #3a7f8d as the text (4.6:1)
  • AAA: use #4aa3b5 as the text (7.2:1)
  • AA: or shift the background to #bdbdbd (4.59:1)
  • AAA: or shift the background to #e8e8e8 (7.03:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #25525b as the background.

Brands using this color

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

Fonts for this mood

#25525b reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #25525b
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 #25525b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/25525b-a2b6be-df4e7c-1f252d-e9f1ef?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