Color

#317181

#317181
hex#317181
rgbrgb(49, 113, 129)
hslhsl(192, 45%, 35%)
oklchoklch(0.514 0.069 216.7)
Closest name: Calypso (#3d7188)Relative luminance 0.1405

Colors that go with #317181

Charcoal, Crimson and Rust 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 #317181

Tints & shades

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

Harmonies

Complementary

Open in tool →

#814131

#318169 · #314981

#813171 · #718131

Split-complementary

Open in tool →

#813149 · #816931

#693181 · #814131 · #498131

Contrast

#317181 as textRatioAAAA largeAAAFix
Aaon white
5.51:1passpassfail
  • AAA: use #295e6b as the text (7.22:1)
Aaon black
3.81:1failpassfail
  • AA: use #377e90 as the text (4.55:1)
  • AAA: use #46a2b9 as the text (7.13:1)
  • AA: or shift the background to #ebebeb (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 #317181 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#317181 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #317181
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 #317181 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/317181-a2b5be-df4e77-1f242d-e9f1ef?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