Color

#27274f

#27274f
hex#27274f
rgbrgb(39, 39, 79)
hslhsl(240, 34%, 23%)
oklchoklch(0.295 0.071 281.1)
Closest name: Deep Sea Base (#2c2c57)Relative luminance 0.0245

Colors that go with #27274f

Charcoal, Dark Olive Green and Sienna 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 →

#4f4f27

#273b4f · #3b274f

#4f2727 · #274f27

Split-complementary

Open in tool →

#4f3b27 · #3b4f27

#4f273b · #4f4f27 · #274f3b

Contrast

#27274f as textRatioAAAA largeAAAFix
Aaon white
14.1:1passpasspassPasses AAA — no fix needed.
Aaon black
1.49:1failfailfail
  • AA: use #6f6fb8 as the text (4.64:1)
  • AAA: use #9292c9 as the text (7.18:1)
  • AA: or shift the background to #949494 (4.65:1)
  • AAA: or shift the background to #b8b8b8 (7.11:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #27274f 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

#27274f reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #27274f
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 #27274f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/27274f-a19cc4-df994e-251f2d-e9edf1?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