Color

#25504e

#25504e
hex#25504e
rgbrgb(37, 80, 78)
hslhsl(177, 37%, 23%)
oklchoklch(0.4 0.048 191.4)
Closest name: darkslategray (#2f4f4f)Relative luminance 0.0668

Colors that go with #25504e

Teal, 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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#502527

#255038 · #253d50

#4e2550 · #504e25

Split-complementary

Open in tool →

#50253d · #503825

#382550 · #502527 · #3d5025

Contrast

#25504e as textRatioAAAA largeAAAFix
Aaon white
8.99:1passpasspassPasses AAA — no fix needed.
Aaon black
2.34:1failfailfail
  • AA: use #3b817e as the text (4.63:1)
  • AAA: use #4ca4a0 as the text (7.13:1)
  • AA: or shift the background to #b8b8b8 (4.53:1)
  • AAA: or shift the background to #e3e3e3 (7:1)

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

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

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

tool url/palettes/new/25504e-a2bcbe-d4599b-1f282d-e9f1ed?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