Color

#317387

#317387
hex#317387
rgbrgb(49, 115, 135)
hslhsl(194, 47%, 36%)
oklchoklch(0.522 0.073 220.8)
Closest name: Calypso (#3d7188)Relative luminance 0.1466

Colors that go with #317387

Charcoal, Crimson and Sienna 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 #317387

Tints & shades

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

Harmonies

Complementary

Open in tool →

#874531

#318770 · #314887

#873173 · #738731

Split-complementary

Open in tool →

#873148 · #877031

#703187 · #874531 · #488731

Contrast

#317387 as textRatioAAAA largeAAAFix
Aaon white
5.34:1passpassfail
  • AAA: use #275c6d as the text (7.4:1)
Aaon black
3.93:1failpassfail
  • AA: use #368096 as the text (4.68:1)
  • AAA: use #47a1bd as the text (7.1:1)
  • AA: or shift the background to #ededed (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 #317387 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

#317387 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #317387
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 #317387 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/317387-9cb6c4-df4e72-1f242d-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