Color

#337568

#337568
hex#337568
rgbrgb(51, 117, 104)
hslhsl(168, 39%, 33%)
oklchoklch(0.516 0.071 178.5)
Closest name: Green Sleeves (#39766c)Relative luminance 0.1443

Colors that go with #337568

Charcoal, Medium Violet Red and Champagne 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 #337568

Tints & shades

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

Harmonies

Complementary

Open in tool →

#753340

#337547 · #336175

#683375 · #756833

Split-complementary

Open in tool →

#753361 · #754733

#473375 · #753340 · #617533

Contrast

#337568 as textRatioAAAA largeAAAFix
Aaon white
5.41:1passpassfail
  • AAA: use #2a6055 as the text (7.23:1)
Aaon black
3.89:1failpassfail
  • AA: use #3a8374 as the text (4.68:1)
  • AAA: use #49a794 as the text (7.24:1)
  • AA: or shift the background to #ebebeb (4.53:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #337568 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

mcpConnect your agent — build around #337568
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 #337568 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/337568-a2bebc-d459ad-1f2a2d-e9f1ec?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