Color

#274a4e

#274a4e
hex#274a4e
rgbrgb(39, 74, 78)
hslhsl(186, 33%, 23%)
oklchoklch(0.384 0.041 205.1)
Closest name: darkslategray (#2f4f4f)Relative luminance 0.0588

Colors that go with #274a4e

Rust, Blush Pink and Cadet 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.

Real palettes that use #274a4e

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#4e2b27

#274e3f · #27374e

#4e274a · #4a4e27

Split-complementary

Open in tool →

#4e2737 · #4e3f27

#3f274e · #4e2b27 · #374e27

Contrast

#274a4e as textRatioAAAA largeAAAFix
Aaon white
9.65:1passpasspassPasses AAA — no fix needed.
Aaon black
2.18:1failfailfail
  • AA: use #437e84 as the text (4.56:1)
  • AAA: use #55a1aa as the text (7.06:1)
  • AA: or shift the background to #b3b3b3 (4.6:1)
  • AAA: or shift the background to #dedede (7.17:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #274a4e 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

#274a4e reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #274a4e
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 #274a4e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/274a4e-a2b8be-df4e86-1f262d-e9f1ee?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