Color

#31684c

#31684c
hex#31684c
rgbrgb(49, 104, 76)
hslhsl(149, 36%, 30%)
oklchoklch(0.471 0.075 159.4)
Closest name: Forest Serenade (#336644)Relative luminance 0.1108

Colors that go with #31684c

Charcoal, Medium Violet Red and Blue 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 →

#68314d

#326831 · #316867

#4c3168 · #684c31

Split-complementary

Open in tool →

#673168 · #683132

#313268 · #68314d · #686731

Contrast

#31684c as textRatioAAAA largeAAAFix
Aaon white
6.53:1passpassfail
  • AAA: use #2e6147 as the text (7.2:1)
Aaon black
3.22:1failpassfail
  • AA: use #3e8460 as the text (4.67:1)
  • AAA: use #4ea679 as the text (7.05:1)
  • AA: or shift the background to #d9d9d9 (4.63:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #31684c 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

Fonts for this mood

#31684c reads as dark, luxury, bold. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #31684c
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 #31684c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/31684c-a2beb3-d459d4-1f2d2c-e9f1e9?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