Color

#319b53

#319b53
hex#319b53
rgbrgb(49, 155, 83)
hslhsl(139, 52%, 40%)
oklchoklch(0.612 0.144 150.2)
Closest name: Eucalyptus (#329760)Relative luminance 0.2472

Colors that go with #319b53

Charcoal, Blue 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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#9b3179

#449b31 · #319b88

#53319b · #9b5331

Split-complementary

Open in tool →

#88319b · #9b3144

#31449b · #9b3179 · #9b8831

Contrast

#319b53 as textRatioAAAA largeAAAFix
Aaon white
3.53:1failpassfail
  • AA: use #2a8446 as the text (4.68:1)
  • AAA: use #206536 as the text (7.06:1)
  • AA: or shift the background to #212121 (4.56:1)
Aaon black
5.94:1passpassfail
  • AAA: use #36ab5b as the text (7.13:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #319b53 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 #319b53
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 #319b53 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/319b53-a2beae-c059d4-1f2d2a-ebf1e9?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