Color

#255d6a

#255d6a
hex#255d6a
rgbrgb(37, 93, 106)
hslhsl(191, 48%, 28%)
oklchoklch(0.447 0.062 215.5)
Closest name: Arctic Nights (#345c61)Relative luminance 0.0926

Colors that go with #255d6a

Steel Blue, Rust 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 →

#6a3225

#256a54 · #253b6a

#6a255d · #5d6a25

Split-complementary

Open in tool →

#6a253b · #6a5425

#54256a · #6a3225 · #3b6a25

Contrast

#255d6a as textRatioAAAA largeAAAFix
Aaon white
7.36:1passpasspassPasses AAA — no fix needed.
Aaon black
2.85:1failfailfail
  • AA: use #327e8f as the text (4.52:1)
  • AAA: use #41a3b9 as the text (7.16:1)
  • AA: or shift the background to #cccccc (4.58:1)
  • AAA: or shift the background to #fafafa (7.05:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #255d6a 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

#255d6a reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #255d6a
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 #255d6a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/255d6a-a2b6be-df4e7a-1f252d-e9f1ef?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