Color

#317d63

#317d63
hex#317d63
rgbrgb(49, 125, 99)
hslhsl(159, 44%, 34%)
oklchoklch(0.535 0.086 167.5)
Closest name: Amazon (#387b54)Relative luminance 0.1622

Colors that go with #317d63

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 →

#7d314b

#317d3c · #31717d

#62317d · #7d6231

Split-complementary

Open in tool →

#7d3171 · #7d3c31

#3c317d · #7d314b · #717d31

Contrast

#317d63 as textRatioAAAA largeAAAFix
Aaon white
4.95:1passpassfail
  • AAA: use #27634e as the text (7.04:1)
Aaon black
4.24:1failpassfail
  • AA: use #338468 as the text (4.64:1)
  • AAA: use #42a985 as the text (7.25:1)
  • AA: or shift the background to #f5f5f5 (4.54:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #317d63 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 #317d63
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 #317d63 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/317d63-a2beb8-d459c0-1f2c2d-e9f1eb?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