Color

#316396

#316396
hex#316396
rgbrgb(49, 99, 150)
hslhsl(210, 51%, 39%)
oklchoklch(0.49 0.099 250.9)
Closest name: Chill of the Night (#256d8d)Relative luminance 0.1178

Colors that go with #316396

Charcoal, Sea Green 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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#966331

#319696 · #313196

#963163 · #639631

Split-complementary

Open in tool →

#963131 · #969631

#963196 · #966331 · #319631

Contrast

#316396 as textRatioAAAA largeAAAFix
Aaon white
6.26:1passpassfail
  • AAA: use #2c5987 as the text (7.28:1)
Aaon black
3.36:1failpassfail
  • AA: use #3b78b5 as the text (4.54:1)
  • AAA: use #699cce as the text (7.25:1)
  • AA: or shift the background to #dbdbdb (4.52:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #316396 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#316396 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #316396
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 #316396 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/316396-9cabc4-df514e-1f202d-e9f1f1?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