Color

#09369f

#09369f
hex#09369f
rgbrgb(9, 54, 159)
hslhsl(222, 89%, 33%)
oklchoklch(0.384 0.176 263.2)
Closest name: Blue Hour (#0034ab)Relative luminance 0.052

Colors that go with #09369f

Charcoal, Crimson and Steel 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 →

#9f7209

#09819f · #27099f

#9f0936 · #369f09

Split-complementary

Open in tool →

#9f2709 · #819f09

#9f0981 · #9f7209 · #099f27

Contrast

#09369f as textRatioAAAA largeAAAFix
Aaon white
10.29:1passpasspassPasses AAA — no fix needed.
Aaon black
2.04:1failfailfail
  • AA: use #356ef3 as the text (4.68:1)
  • AAA: use #6a94f6 as the text (7.18:1)
  • AA: or shift the background to #adadad (4.59:1)
  • AAA: or shift the background to #d6d6d6 (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 #09369f as the background.

Brands using this color

Fonts for this mood

#09369f reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #09369f
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 #09369f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/09369f-9ca3c4-df6e4e-211f2d-e9eff1?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