Color

#09366c

#09366c
hex#09366c
rgbrgb(9, 54, 108)
hslhsl(213, 85%, 23%)
oklchoklch(0.338 0.105 256.2)
Closest name: Atlantic Navy (#13336f)Relative luminance 0.0378

Colors that go with #09366c

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 →

#6d4009

#09686d · #0e096d

#6d0936 · #366d09

Split-complementary

Open in tool →

#6d0e09 · #686d09

#6d0968 · #6d4009 · #096d0e

Contrast

#09366c as textRatioAAAA largeAAAFix
Aaon white
11.96:1passpasspassPasses AAA — no fix needed.
Aaon black
1.76:1failfailfail
  • AA: use #1372e7 as the text (4.59:1)
  • AAA: use #5099f1 as the text (7.17:1)
  • AA: or shift the background to #a1a1a1 (4.63:1)
  • AAA: or shift the background to #c7c7c7 (7.08:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #09366c as the background.

Brands using this color

Fonts for this mood

#09366c reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #09366c
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 #09366c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/09366c-9ca9c4-df584e-1f202d-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