Color

#317677

#317677
hex#317677
rgbrgb(49, 118, 119)
hslhsl(181, 42%, 33%)
oklchoklch(0.523 0.069 196.6)
Closest name: Green Sleeves (#39766c)Relative luminance 0.1494

Colors that go with #317677

Charcoal, Crimson 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 →

#773231

#317755 · #315377

#773176 · #767731

Split-complementary

Open in tool →

#773153 · #775531

#553177 · #773231 · #537731

Contrast

#317677 as textRatioAAAA largeAAAFix
Aaon white
5.27:1passpassfail
  • AAA: use #286162 as the text (7.06:1)
Aaon black
3.99:1failpassfail
  • AA: use #358182 as the text (4.61:1)
  • AAA: use #44a5a7 as the text (7.19:1)
  • AA: or shift the background to #f0f0f0 (4.62:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #317677 as the background.

Brands using this color

Fonts for this mood

#317677 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #317677
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 #317677 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/317677-a2babe-d45992-1f272d-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