Color

#09316d

#09316d
hex#09316d
rgbrgb(9, 49, 109)
hslhsl(216, 85%, 23%)
oklchoklch(0.327 0.113 259.2)
Closest name: Atlantic Navy (#13336f)Relative luminance 0.0336

Colors that go with #09316d

Crimson, Steel Blue and 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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#6d4509

#09636d · #13096d

#6d0931 · #316d09

Split-complementary

Open in tool →

#6d1309 · #636d09

#6d0963 · #6d4509 · #096d13

Contrast

#09316d as textRatioAAAA largeAAAFix
Aaon white
12.56:1passpasspassPasses AAA — no fix needed.
Aaon black
1.67:1failfailfail
  • AA: use #1d70ed as the text (4.59:1)
  • AAA: use #5a97f2 as the text (7.14:1)
  • AA: or shift the background to #9c9c9c (4.58:1)
  • AAA: or shift the background to #c2c2c2 (7.05:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #09316d as the background.

Brands using this color

Fonts for this mood

#09316d reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #09316d
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 #09316d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/09316d-9ca7c4-df5f4e-201f2d-e9f0f1?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