Color

#357579

#357579
hex#357579
rgbrgb(53, 117, 121)
hslhsl(184, 39%, 34%)
oklchoklch(0.522 0.065 200.9)
Closest name: Green Sleeves (#39766c)Relative luminance 0.1486

Colors that go with #357579

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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#793935

#35795b · #355279

#793574 · #747935

Split-complementary

Open in tool →

#793552 · #795b35

#5b3579 · #793935 · #527935

Contrast

#357579 as textRatioAAAA largeAAAFix
Aaon white
5.29:1passpassfail
  • AAA: use #2c6063 as the text (7.09:1)
Aaon black
3.97:1failpassfail
  • AA: use #3b8287 as the text (4.73:1)
  • AAA: use #4ba4aa as the text (7.19:1)
  • AA: or shift the background to #ededed (4.52:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #357579 as the background.

Brands using this color

Fonts for this mood

#357579 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #357579
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 #357579 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/357579-a2b9be-df4e8a-1f262d-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