Color

#274d59

#274d59
hex#274d59
rgbrgb(39, 77, 89)
hslhsl(194, 39%, 25%)
oklchoklch(0.397 0.048 220.7)
Closest name: darkslategray (#2f4f4f)Relative luminance 0.0646

Colors that go with #274d59

Steel Blue, Teal 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 →

#593227

#27594b · #273459

#59274d · #4d5927

Split-complementary

Open in tool →

#592734 · #594b27

#4b2759 · #593227 · #345927

Contrast

#274d59 as textRatioAAAA largeAAAFix
Aaon white
9.16:1passpasspassPasses AAA — no fix needed.
Aaon black
2.29:1failfailfail
  • AA: use #407e91 as the text (4.61:1)
  • AAA: use #58a0b6 as the text (7.12:1)
  • AA: or shift the background to #b8b8b8 (4.62:1)
  • AAA: or shift the background to #e3e3e3 (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 #274d59 as the background.

Brands using this color

Fonts for this mood

#274d59 reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #274d59
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 #274d59 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/274d59-9cb6c4-df4e72-1f242d-e9f1ef?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