Color

#0931aa

#0931aa
hex#0931aa
rgbrgb(9, 49, 170)
hslhsl(225, 90%, 35%)
oklchoklch(0.387 0.196 264.2)
Closest name: Blue Hour (#0034ab)Relative luminance 0.0516

Colors that go with #0931aa

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 →

#aa8109

#0981aa · #3109aa

#aa0931 · #31aa09

Split-complementary

Open in tool →

#aa3109 · #81aa09

#aa0981 · #aa8109 · #09aa31

Contrast

#0931aa as textRatioAAAA largeAAAFix
Aaon white
10.34:1passpasspassPasses AAA — no fix needed.
Aaon black
2.03:1failfailfail
  • AA: use #3d6bf5 as the text (4.62:1)
  • AAA: use #7294f8 as the text (7.31:1)
  • AA: or shift the background to #ababab (4.5:1)
  • AAA: or shift the background to #d6d6d6 (7.11:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0931aa as the background.

Brands using this color

Fonts for this mood

#0931aa reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0931aa
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 #0931aa and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0931aa-9ca1c4-df754e-221f2d-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