Color

#347971

#347971
hex#347971
rgbrgb(52, 121, 113)
hslhsl(173, 40%, 34%)
oklchoklch(0.53 0.071 185.1)
Closest name: Green Sleeves (#39766c)Relative luminance 0.156

Colors that go with #347971

Charcoal, Medium Violet Red 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.

Real palettes that use #347971

Tints & shades

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

Harmonies

Complementary

Open in tool →

#79343c

#34794f · #345f79

#713479 · #797134

Split-complementary

Open in tool →

#79345f · #794f34

#4f3479 · #79343c · #5f7934

Contrast

#347971 as textRatioAAAA largeAAAFix
Aaon white
5.1:1passpassfail
  • AAA: use #29605a as the text (7.2:1)
Aaon black
4.12:1failpassfail
  • AA: use #378178 as the text (4.57:1)
  • AAA: use #46a499 as the text (7.03:1)
  • AA: or shift the background to #f2f2f2 (4.55:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #347971 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 #347971
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 #347971 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/347971-a2bebe-d459a3-1f292d-e9f1ec?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