Color

#25356f

#25356f
hex#25356f
rgbrgb(37, 53, 111)
hslhsl(227, 50%, 29%)
oklchoklch(0.35 0.102 269)
Closest name: Atlantic Navy (#13336f)Relative luminance 0.0409

Colors that go with #25356f

Steel Blue, 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 →

#6f5f25

#255a6f · #3a256f

#6f2535 · #356f25

Split-complementary

Open in tool →

#6f3a25 · #5a6f25

#6f255a · #6f5f25 · #256f3a

Contrast

#25356f as textRatioAAAA largeAAAFix
Aaon white
11.55:1passpasspassPasses AAA — no fix needed.
Aaon black
1.82:1failfailfail
  • AA: use #576fc7 as the text (4.5:1)
  • AAA: use #8193d5 as the text (7.07:1)
  • AA: or shift the background to #a3a3a3 (4.58:1)
  • AAA: or shift the background to #cccccc (7.2:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #25356f as the background.

Brands using this color

Fonts for this mood

#25356f reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #25356f
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 #25356f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/25356f-9ca0c4-df7a4e-221f2d-e9eff1?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