Color

#274b77

#274b77
hex#274b77
rgbrgb(39, 75, 119)
hslhsl(213, 51%, 31%)
oklchoklch(0.408 0.085 254.6)
Closest name: Blue Funk (#2d4470)Relative luminance 0.068

Colors that go with #274b77

Teal, 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 →

#775327

#277377 · #2b2777

#77274b · #4b7727

Split-complementary

Open in tool →

#772b27 · #737727

#772773 · #775327 · #27772b

Contrast

#274b77 as textRatioAAAA largeAAAFix
Aaon white
8.9:1passpasspassPasses AAA — no fix needed.
Aaon black
2.36:1failfailfail
  • AA: use #3d77bd as the text (4.57:1)
  • AAA: use #6d99d0 as the text (7.12:1)
  • AA: or shift the background to #bababa (4.59:1)
  • AAA: or shift the background to #e6e6e6 (7.13:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #274b77 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

#274b77 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #274b77
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 #274b77 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/274b77-9ca9c4-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