Color

#317d5d

#317d5d
hex#317d5d
rgbrgb(49, 125, 93)
hslhsl(155, 44%, 34%)
oklchoklch(0.533 0.091 162.7)
Closest name: Amazon (#387b54)Relative luminance 0.1611

Colors that go with #317d5d

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 →

#7d3150

#317d37 · #31767d

#5d317d · #7d5d31

Split-complementary

Open in tool →

#7d3176 · #7d3731

#37317d · #7d3150 · #767d31

Contrast

#317d5d as textRatioAAAA largeAAAFix
Aaon white
4.97:1passpassfail
  • AAA: use #27634a as the text (7.07:1)
Aaon black
4.22:1failpassfail
  • AA: use #338463 as the text (4.62:1)
  • AAA: use #42a97e as the text (7.21:1)
  • AA: or shift the background to #f5f5f5 (4.56:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #317d5d as the background.

Brands using this color

mcpConnect your agent — build around #317d5d
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 #317d5d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/317d5d-a2beb6-d459c8-1f2d2d-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