Color

#339491

#339491
hex#339491
rgbrgb(51, 148, 145)
hslhsl(178, 49%, 39%)
oklchoklch(0.61 0.089 192.2)
Closest name: Highlands (#449084)Relative luminance 0.2393

Colors that go with #339491

Charcoal, Copper and Crimson 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 #339491

Tints & shades

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

Harmonies

Complementary

Open in tool →

#943336

#339460 · #336794

#913394 · #949133

Split-complementary

Open in tool →

#943367 · #946033

#603394 · #943336 · #679433

Contrast

#339491 as textRatioAAAA largeAAAFix
Aaon white
3.63:1failpassfail
  • AA: use #2c817e as the text (4.62:1)
  • AAA: use #215f5d as the text (7.34:1)
  • AA: or shift the background to #1f1f1f (4.54:1)
Aaon black
5.79:1passpassfail
  • AAA: use #39a7a4 as the text (7.24:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #339491 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

mcpConnect your agent — build around #339491
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 #339491 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/339491-a2bcbe-d45999-1f282d-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