Color

#0912c3

#0912c3
hex#0912c3
rgbrgb(9, 18, 195)
hslhsl(237, 91%, 40%)
oklchoklch(0.381 0.248 265.2)
Closest name: mediumblue (#0000cd)Relative luminance 0.0443

Colors that go with #0912c3

Charcoal, Crimson and Cornflower 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 →

#c3ba09

#096fc3 · #5d09c3

#c30912 · #12c309

Split-complementary

Open in tool →

#c35d09 · #6fc309

#c3096f · #c3ba09 · #09c35d

Contrast

#0912c3 as textRatioAAAA largeAAAFix
Aaon white
11.13:1passpasspassPasses AAA — no fix needed.
Aaon black
1.89:1failfailfail
  • AA: use #5e66f7 as the text (4.72:1)
  • AAA: use #858bf9 as the text (7.06:1)
  • AA: or shift the background to #a6a6a6 (4.57:1)
  • AAA: or shift the background to #cfcfcf (7.15:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0912c3 as the background.

Brands using this color

Fonts for this mood

#0912c3 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0912c3
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 #0912c3 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0912c3-9f9cc4-df924e-251f2d-e9edf1?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