Color

#274e77

#274e77
hex#274e77
rgbrgb(39, 78, 119)
hslhsl(211, 51%, 31%)
oklchoklch(0.416 0.082 251.4)
Closest name: Assassin (#2d4f83)Relative luminance 0.0721

Tints & shades

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

Harmonies

Complementary

Open in tool →

#775027

#277677 · #282777

#77274e · #4e7727

Split-complementary

Open in tool →

#772827 · #767727

#772776 · #775027 · #277728

Contrast

#274e77 as textRatioAAAA largeAAAFix
Aaon white
8.6:1passpasspassPasses AAA — no fix needed.
Aaon black
2.44:1failfailfail
  • AA: use #3c78b9 as the text (4.58:1)
  • AAA: use #699ace as the text (7.11:1)
  • AA: or shift the background to #bdbdbd (4.58:1)
  • AAA: or shift the background to #e8e8e8 (7.02:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #274e77 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#274e77 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #274e77
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #274e77 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/274e77-9cabc4-df534e-1f202d-e9f1f1?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