Color

#317d4d

#317d4d
hex#317d4d
rgbrgb(49, 125, 77)
hslhsl(142, 44%, 34%)
oklchoklch(0.529 0.107 153)
Closest name: Bold Irish (#2a814d)Relative luminance 0.1586

Colors that go with #317d4d

Charcoal, Royal Blue 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 →

#7d3161

#3b7d31 · #317d73

#4d317d · #7d4d31

Split-complementary

Open in tool →

#73317d · #7d313b

#313b7d · #7d3161 · #7d7331

Contrast

#317d4d as textRatioAAAA largeAAAFix
Aaon white
5.03:1passpassfail
  • AAA: use #27633d as the text (7.15:1)
Aaon black
4.17:1failpassfail
  • AA: use #338451 as the text (4.56:1)
  • AAA: use #42a968 as the text (7.11:1)
  • AA: or shift the background to #f5f5f5 (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 #317d4d as the background.

Brands using this color

mcpConnect your agent — build around #317d4d
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 #317d4d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/317d4d-a2beaf-c659d4-1f2d2a-eaf1e9?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