Color

#25455f

#25455f
hex#25455f
rgbrgb(37, 69, 95)
hslhsl(207, 44%, 26%)
oklchoklch(0.378 0.059 244.8)
Closest name: Black Turmeric (#2c4364)Relative luminance 0.0548

Colors that go with #25455f

Teal, Sienna 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 →

#5f3f25

#255f5d · #25285f

#5f2545 · #455f25

Split-complementary

Open in tool →

#5f2528 · #5f5d25

#5d255f · #5f3f25 · #285f25

Contrast

#25455f as textRatioAAAA largeAAAFix
Aaon white
10.02:1passpasspassPasses AAA — no fix needed.
Aaon black
2.1:1failfailfail
  • AA: use #427aa9 as the text (4.59:1)
  • AAA: use #689bc4 as the text (7.07:1)
  • AA: or shift the background to #b0b0b0 (4.62:1)
  • AAA: or shift the background to #d9d9d9 (7.1:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #25455f as the background.

Brands using this color

Fonts for this mood

#25455f reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #25455f
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 #25455f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/25455f-9cadc4-df4e53-1f212d-e9f1f1?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