Color

#272f5d

#272f5d
hex#272f5d
rgbrgb(39, 47, 93)
hslhsl(231, 41%, 26%)
oklchoklch(0.324 0.082 273.6)
Closest name: Deep Sea Base (#2c2c57)Relative luminance 0.0325

Colors that go with #272f5d

Dark Olive Green, Sea Green and Steel 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 →

#5d5527

#274a5d · #3a275d

#5d272f · #2f5d27

Split-complementary

Open in tool →

#5d3a27 · #4a5d27

#5d274a · #5d5527 · #275d3a

Contrast

#272f5d as textRatioAAAA largeAAAFix
Aaon white
12.72:1passpasspassPasses AAA — no fix needed.
Aaon black
1.65:1failfailfail
  • AA: use #616fbd as the text (4.52:1)
  • AAA: use #8893cd as the text (7.1:1)
  • AA: or shift the background to #9c9c9c (4.63:1)
  • AAA: or shift the background to #c2c2c2 (7.14:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #272f5d as the background.

Brands using this color

Fonts for this mood

#272f5d reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #272f5d
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 #272f5d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/272f5d-9c9ec4-df834e-231f2d-e9eef1?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