Color

#27356d

#27356d
hex#27356d
rgbrgb(39, 53, 109)
hslhsl(228, 47%, 29%)
oklchoklch(0.349 0.098 270.1)
Closest name: Atlantic Navy (#13336f)Relative luminance 0.0408

Colors that go with #27356d

Steel Blue, 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 →

#6d5f27

#27586d · #3c276d

#6d2735 · #356d27

Split-complementary

Open in tool →

#6d3c27 · #586d27

#6d2758 · #6d5f27 · #276d3c

Contrast

#27356d as textRatioAAAA largeAAAFix
Aaon white
11.56:1passpasspassPasses AAA — no fix needed.
Aaon black
1.82:1failfailfail
  • AA: use #5a6fc4 as the text (4.51:1)
  • AAA: use #8393d2 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 #27356d as the background.

Brands using this color

Fonts for this mood

#27356d reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #27356d
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 #27356d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/27356d-9c9fc4-df7c4e-231f2d-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