Color

#345f60

#345f60
hex#345f60
rgbrgb(52, 95, 96)
hslhsl(181, 30%, 29%)
oklchoklch(0.455 0.048 197.5)
Closest name: Arctic Nights (#345c61)Relative luminance 0.0976

Colors that go with #345f60

Rust, 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.

Real palettes that use #345f60

Tints & shades

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

Harmonies

Complementary

Open in tool →

#603534

#34604b · #344960

#60345f · #5f6034

Split-complementary

Open in tool →

#603449 · #604b34

#4b3460 · #603534 · #496034

Contrast

#345f60 as textRatioAAAA largeAAAFix
Aaon white
7.11:1passpasspassPasses AAA — no fix needed.
Aaon black
2.95:1failfailfail
  • AA: use #468081 as the text (4.67:1)
  • AAA: use #57a1a2 as the text (7.02:1)
  • AA: or shift the background to #cfcfcf (4.57:1)
  • AAA: or shift the background to #ffffff (7.11:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #345f60 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

#345f60 reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #345f60
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 #345f60 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/345f60-a2babe-d45992-1f272d-e9f1ed?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