Color

#09376d

#09376d
hex#09376d
rgbrgb(9, 55, 109)
hslhsl(212, 85%, 23%)
oklchoklch(0.341 0.105 255.9)
Closest name: Atlantic Navy (#13336f)Relative luminance 0.0389

Colors that go with #09376d

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 →

#6d3e09

#09696d · #0c096d

#6d0937 · #376d09

Split-complementary

Open in tool →

#6d0c09 · #696d09

#6d0969 · #6d3e09 · #096d0c

Contrast

#09376d as textRatioAAAA largeAAAFix
Aaon white
11.8:1passpasspassPasses AAA — no fix needed.
Aaon black
1.78:1failfailfail
  • AA: use #1273e2 as the text (4.58:1)
  • AAA: use #4c99f0 as the text (7.12:1)
  • AA: or shift the background to #a1a1a1 (4.57:1)
  • AAA: or shift the background to #c9c9c9 (7.13:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #09376d as the background.

Brands using this color

Fonts for this mood

#09376d reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #09376d
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 #09376d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/09376d-9caac4-df564e-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