Color

#274b82

#274b82
hex#274b82
rgbrgb(39, 75, 130)
hslhsl(216, 54%, 33%)
oklchoklch(0.415 0.101 258.7)
Closest name: Assassin (#2d4f83)Relative luminance 0.0708

Colors that go with #274b82

Sea Green, Blue and Cornflower 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 →

#825d27

#277982 · #302782

#82274b · #4b8227

Split-complementary

Open in tool →

#823027 · #798227

#822779 · #825d27 · #278230

Contrast

#274b82 as textRatioAAAA largeAAAFix
Aaon white
8.7:1passpasspassPasses AAA — no fix needed.
Aaon black
2.42:1failfailfail
  • AA: use #3f75c6 as the text (4.57:1)
  • AAA: use #7299d5 as the text (7.23:1)
  • AA: or shift the background to #bdbdbd (4.63:1)
  • AAA: or shift the background to #e8e8e8 (7.1:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #274b82 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

#274b82 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #274b82
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 #274b82 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/274b82-9ca7c4-df5f4e-201f2d-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