Color

#09359a

#09359a
hex#09359a
rgbrgb(9, 53, 154)
hslhsl(222, 89%, 32%)
oklchoklch(0.377 0.171 263.1)
Closest name: Blue Hour (#0034ab)Relative luminance 0.0494

Colors that go with #09359a

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 →

#9a6f09

#097d9a · #26099a

#9a0935 · #359a09

Split-complementary

Open in tool →

#9a2609 · #7d9a09

#9a097d · #9a6f09 · #099a26

Contrast

#09359a as textRatioAAAA largeAAAFix
Aaon white
10.57:1passpasspassPasses AAA — no fix needed.
Aaon black
1.99:1failfailfail
  • AA: use #356ef3 as the text (4.68:1)
  • AAA: use #6a94f6 as the text (7.18:1)
  • AA: or shift the background to #ababab (4.6:1)
  • AAA: or shift the background to #d4d4d4 (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 #09359a as the background.

Brands using this color

Fonts for this mood

#09359a reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #09359a
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 #09359a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/09359a-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