Color

#34576f

#34576f
hex#34576f
rgbrgb(52, 87, 111)
hslhsl(204, 36%, 32%)
oklchoklch(0.441 0.057 239.8)
Closest name: Atlantis (#336172)Relative luminance 0.0869

Colors that go with #34576f

Royal Blue, Sienna 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.

Real palettes that use #34576f

Tints & shades

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

Harmonies

Complementary

Open in tool →

#6f4c34

#346f69 · #343a6f

#6f3457 · #576f34

Split-complementary

Open in tool →

#6f343a · #6f6934

#69346f · #6f4c34 · #3a6f34

Contrast

#34576f as textRatioAAAA largeAAAFix
Aaon white
7.67:1passpasspassPasses AAA — no fix needed.
Aaon black
2.74:1failfailfail
  • AA: use #497b9c as the text (4.6:1)
  • AAA: use #6d9cba as the text (7.11:1)
  • AA: or shift the background to #c7c7c7 (4.54:1)
  • AAA: or shift the background to #f5f5f5 (7.03:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #34576f 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

#34576f reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #34576f
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 #34576f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/34576f-9cafc4-df4e5a-1f222d-e9f1f0?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