Color

#316790

#316790
hex#316790
rgbrgb(49, 103, 144)
hslhsl(206, 49%, 38%)
oklchoklch(0.496 0.087 243.9)
Closest name: Chill of the Night (#256d8d)Relative luminance 0.1237

Colors that go with #316790

Charcoal, Royal Blue 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 →

#905b31

#31908a · #313890

#903167 · #679031

Split-complementary

Open in tool →

#903138 · #908a31

#8a3190 · #905b31 · #389031

Contrast

#316790 as textRatioAAAA largeAAAFix
Aaon white
6.05:1passpassfail
  • AAA: use #2c5c81 as the text (7.11:1)
Aaon black
3.47:1failpassfail
  • AA: use #3b7aab as the text (4.56:1)
  • AAA: use #5f9bc8 as the text (7.01:1)
  • AA: or shift the background to #e0e0e0 (4.58:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #316790 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#316790 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #316790
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 #316790 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/316790-9caec4-df4e56-1f212d-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