Color

#317696

#317696
hex#317696
rgbrgb(49, 118, 150)
hslhsl(199, 51%, 39%)
oklchoklch(0.536 0.085 231.5)
Closest name: Harbour Blue (#417491)Relative luminance 0.1581

Colors that go with #317696

Charcoal, Crimson and Royal Blue 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 #317696

Tints & shades

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

Harmonies

Complementary

Open in tool →

#965131

#319684 · #314396

#963176 · #769631

Split-complementary

Open in tool →

#963143 · #968431

#843196 · #965131 · #439631

Contrast

#317696 as textRatioAAAA largeAAAFix
Aaon white
5.05:1passpassfail
  • AAA: use #275e77 as the text (7.11:1)
Aaon black
4.16:1failpassfail
  • AA: use #337c9e as the text (4.52:1)
  • AAA: use #4ea0c6 as the text (7.17:1)
  • AA: or shift the background to #f2f2f2 (4.51:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #317696 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

#317696 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #317696
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 #317696 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/317696-9cb3c4-df4e66-1f232d-e9f1f0?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