Color

#356f79

#356f79
hex#356f79
rgbrgb(53, 111, 121)
hslhsl(189, 39%, 34%)
oklchoklch(0.507 0.062 210.2)
Closest name: Calypso (#3d7188)Relative luminance 0.1351

Colors that go with #356f79

Charcoal, Rust and Amber 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 #356f79

Tints & shades

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

Harmonies

Complementary

Open in tool →

#793f35

#357961 · #354d79

#79356e · #6e7935

Split-complementary

Open in tool →

#79354d · #796135

#613579 · #793f35 · #4d7935

Contrast

#356f79 as textRatioAAAA largeAAAFix
Aaon white
5.67:1passpassfail
  • AAA: use #2d5e67 as the text (7.22:1)
Aaon black
3.7:1failpassfail
  • AA: use #3d7f8a as the text (4.6:1)
  • AAA: use #4ea2b1 as the text (7.13:1)
  • AA: or shift the background to #e6e6e6 (4.55:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #356f79 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

#356f79 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #356f79
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 #356f79 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/356f79-a2b7be-df4e7e-1f252d-e9f1ee?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