Color

#27424f

#27424f
hex#27424f
rgbrgb(39, 66, 79)
hslhsl(200, 34%, 23%)
oklchoklch(0.363 0.04 230.1)
Closest name: Cold and Dark (#154250)Relative luminance 0.0489

Colors that go with #27424f

Dark Olive Green, Steel Blue and Teal 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 →

#4f3427

#274f48 · #272d4f

#4f2741 · #414f27

Split-complementary

Open in tool →

#4f272d · #4f4827

#48274f · #4f3427 · #2d4f27

Contrast

#27424f as textRatioAAAA largeAAAFix
Aaon white
10.61:1passpasspassPasses AAA — no fix needed.
Aaon black
1.98:1failfailfail
  • AA: use #4a7d96 as the text (4.67:1)
  • AAA: use #699cb5 as the text (7.02:1)
  • AA: or shift the background to #ababab (4.62:1)
  • AAA: or shift the background to #d4d4d4 (7.16:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #27424f as the background.

Brands using this color

Fonts for this mood

#27424f reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #27424f
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 #27424f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/27424f-9cb2c4-df4e64-1f232d-e9f1f0?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