Color

#345665

#345665
hex#345665
rgbrgb(52, 86, 101)
hslhsl(198, 32%, 30%)
oklchoklch(0.433 0.047 227.9)
Closest name: Arctic Nights (#345c61)Relative luminance 0.0833

Colors that go with #345665

Steel Blue, Teal 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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#654334

#34655b · #343e65

#653456 · #566534

Split-complementary

Open in tool →

#65343e · #655b34

#5b3465 · #654334 · #3e6534

Contrast

#345665 as textRatioAAAA largeAAAFix
Aaon white
7.88:1passpasspassPasses AAA — no fix needed.
Aaon black
2.67:1failfailfail
  • AA: use #4b7c91 as the text (4.59:1)
  • AAA: use #6b9db3 as the text (7.1:1)
  • AA: or shift the background to #c4c4c4 (4.52:1)
  • AAA: or shift the background to #f2f2f2 (7.04:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #345665 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

#345665 reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #345665
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 #345665 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/345665-9cb3c4-df4e69-1f232d-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