Color

#25504a

#25504a
hex#25504a
rgbrgb(37, 80, 74)
hslhsl(172, 37%, 23%)
oklchoklch(0.399 0.049 183.6)
Closest name: darkslategray (#2f4f4f)Relative luminance 0.0663

Colors that go with #25504a

Teal, Blue and Blush Pink 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 →

#50252b

#255035 · #254050

#4b2550 · #504b25

Split-complementary

Open in tool →

#502540 · #503525

#352550 · #50252b · #405025

Contrast

#25504a as textRatioAAAA largeAAAFix
Aaon white
9.03:1passpasspassPasses AAA — no fix needed.
Aaon black
2.33:1failfailfail
  • AA: use #3b8178 as the text (4.6:1)
  • AAA: use #4ca498 as the text (7.07:1)
  • AA: or shift the background to #b8b8b8 (4.55:1)
  • AAA: or shift the background to #e3e3e3 (7.04:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #25504a as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#25504a reads as dark, luxury, bold. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #25504a
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 #25504a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/25504a-a2bebe-d459a5-1f292d-e9f1ec?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