Color

#274a82

#274a82
hex#274a82
rgbrgb(39, 74, 130)
hslhsl(217, 54%, 33%)
oklchoklch(0.413 0.102 259.4)
Closest name: Assassin (#2d4f83)Relative luminance 0.0694

Colors that go with #274a82

Sea Green, Steel Blue and 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 →

#825f27

#277782 · #312782

#82274a · #4a8227

Split-complementary

Open in tool →

#823127 · #778227

#822777 · #825f27 · #278231

Contrast

#274a82 as textRatioAAAA largeAAAFix
Aaon white
8.79:1passpasspassPasses AAA — no fix needed.
Aaon black
2.39:1failfailfail
  • AA: use #4375c7 as the text (4.61:1)
  • AAA: use #7298d5 as the text (7.17:1)
  • AA: or shift the background to #bababa (4.53:1)
  • AAA: or shift the background to #e6e6e6 (7.05:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #274a82 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

#274a82 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #274a82
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 #274a82 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/274a82-9ca7c4-df624e-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