Color

#0109ad

#0109ad
hex#0109ad
rgbrgb(1, 9, 173)
hslhsl(237, 99%, 34%)
oklchoklch(0.343 0.23 264.3)
Closest name: Bohemian Blue (#0000aa)Relative luminance 0.0322

Colors that go with #0109ad

Charcoal, Crimson and Cobalt 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 →

#ada401

#015fad · #4e01ad

#ad0109 · #09ad01

Split-complementary

Open in tool →

#ad4e01 · #5fad01

#ad015f · #ada401 · #01ad4e

Contrast

#0109ad as textRatioAAAA largeAAAFix
Aaon white
12.78:1passpasspassPasses AAA — no fix needed.
Aaon black
1.64:1failfailfail
  • AA: use #5860fe as the text (4.52:1)
  • AAA: use #858bfe as the text (7.12:1)
  • AA: or shift the background to #9c9c9c (4.65:1)
  • AAA: or shift the background to #c2c2c2 (7.17:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0109ad as the background.

Brands using this color

Fonts for this mood

#0109ad reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0109ad
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 #0109ad and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0109ad-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