Color

#31775c

#31775c
hex#31775c
rgbrgb(49, 119, 92)
hslhsl(157, 42%, 33%)
oklchoklch(0.517 0.083 165.1)
Closest name: Amazon (#387b54)Relative luminance 0.1462

Colors that go with #31775c

Charcoal, Crimson and Medium Violet Red 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 →

#77314c

#317739 · #316f77

#5c3177 · #775c31

Split-complementary

Open in tool →

#77316f · #773931

#393177 · #77314c · #6f7731

Contrast

#31775c as textRatioAAAA largeAAAFix
Aaon white
5.35:1passpassfail
  • AAA: use #28624c as the text (7.14:1)
Aaon black
3.92:1failpassfail
  • AA: use #358265 as the text (4.53:1)
  • AAA: use #44a781 as the text (7.09:1)
  • AA: or shift the background to #ededed (4.57:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #31775c 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 #31775c
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 #31775c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/31775c-a2beb7-d459c4-1f2c2d-e9f1ea?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