Color

#25555b

#25555b
hex#25555b
rgbrgb(37, 85, 91)
hslhsl(187, 42%, 25%)
oklchoklch(0.419 0.053 206.3)
Closest name: Abyssal Waters (#005765)Relative luminance 0.0765

Colors that go with #25555b

Rust, Blue and Cadet 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.

Real palettes that use #25555b

Tints & shades

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

Harmonies

Complementary

Open in tool →

#5b2b25

#255b46 · #253a5b

#5b2554 · #545b25

Split-complementary

Open in tool →

#5b253a · #5b4625

#46255b · #5b2b25 · #3a5b25

Contrast

#25555b as textRatioAAAA largeAAAFix
Aaon white
8.3:1passpasspassPasses AAA — no fix needed.
Aaon black
2.53:1failfailfail
  • AA: use #38808a as the text (4.62:1)
  • AAA: use #47a2ae as the text (7.05:1)
  • AA: or shift the background to #bfbfbf (4.52:1)
  • AAA: or shift the background to #ededed (7.09:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #25555b 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

#25555b reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #25555b
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 #25555b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/25555b-a2b8be-df4e83-1f262d-e9f1ee?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