Color

#274d7c

#274d7c
hex#274d7c
rgbrgb(39, 77, 124)
hslhsl(213, 52%, 32%)
oklchoklch(0.416 0.09 254.9)
Closest name: Assassin (#2d4f83)Relative luminance 0.0719

Colors that go with #274d7c

Sea Green, Blue 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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#7c5627

#27787c · #2b277c

#7c274d · #4d7c27

Split-complementary

Open in tool →

#7c2b27 · #787c27

#7c2778 · #7c5627 · #277c2b

Contrast

#274d7c as textRatioAAAA largeAAAFix
Aaon white
8.61:1passpasspassPasses AAA — no fix needed.
Aaon black
2.44:1failfailfail
  • AA: use #3c76be as the text (4.53:1)
  • AAA: use #6c99d0 as the text (7.1:1)
  • AA: or shift the background to #bdbdbd (4.58:1)
  • AAA: or shift the background to #e8e8e8 (7.03:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #274d7c 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

#274d7c reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #274d7c
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 #274d7c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/274d7c-9ca9c4-df584e-1f202d-e9f0f1?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