Color

#34778d

#34778d
hex#34778d
rgbrgb(52, 119, 141)
hslhsl(195, 46%, 38%)
oklchoklch(0.535 0.075 222.6)
Closest name: Harbour Blue (#417491)Relative luminance 0.1585

Colors that go with #34778d

Charcoal, Crimson and Sienna 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.

Real palettes that use #34778d

Tints & shades

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

Harmonies

Complementary

Open in tool →

#8d4b34

#348d77 · #344b8d

#8d3477 · #778d34

Split-complementary

Open in tool →

#8d344b · #8d7734

#77348d · #8d4b34 · #4b8d34

Contrast

#34778d as textRatioAAAA largeAAAFix
Aaon white
5.04:1passpassfail
  • AAA: use #295e70 as the text (7.17:1)
Aaon black
4.17:1failpassfail
  • AA: use #377d95 as the text (4.53:1)
  • AAA: use #4ca1bd as the text (7.14:1)
  • AA: or shift the background to #f5f5f5 (4.62:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #34778d 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

#34778d reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #34778d
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 #34778d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/34778d-9cb5c4-df4e70-1f242d-e9f1ef?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