Color

#274d4f

#274d4f
hex#274d4f
rgbrgb(39, 77, 79)
hslhsl(183, 34%, 23%)
oklchoklch(0.393 0.043 200)
Closest name: darkslategray (#2f4f4f)Relative luminance 0.063

Colors that go with #274d4f

Steel Blue, Teal and Rust 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 →

#4f2927

#274f3d · #27394f

#4f274d · #4d4f27

Split-complementary

Open in tool →

#4f2739 · #4f3d27

#3d274f · #4f2927 · #394f27

Contrast

#274d4f as textRatioAAAA largeAAAFix
Aaon white
9.29:1passpasspassPasses AAA — no fix needed.
Aaon black
2.26:1failfailfail
  • AA: use #407f82 as the text (4.58:1)
  • AAA: use #52a3a7 as the text (7.16:1)
  • AA: or shift the background to #b5b5b5 (4.53:1)
  • AAA: or shift the background to #e0e0e0 (7.04:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #274d4f as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Palettes built around it

Fonts for this mood

#274d4f reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #274d4f
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 #274d4f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/274d4f-a2b9be-d4598e-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