Color

#2409aa

#2409aa
hex#2409aa
rgbrgb(36, 9, 170)
hslhsl(250, 90%, 35%)
oklchoklch(0.352 0.219 272.4)
Closest name: Dark Galaxy (#0018a8)Relative luminance 0.0347

Colors that go with #2409aa

Blue, Charcoal 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 →

#8faa09

#093eaa · #7409aa

#aa2409 · #09aa24

Split-complementary

Open in tool →

#aa7409 · #3eaa09

#aa093e · #8faa09 · #09aa74

Contrast

#2409aa as textRatioAAAA largeAAAFix
Aaon white
12.39:1passpasspassPasses AAA — no fix needed.
Aaon black
1.69:1failfailfail
  • AA: use #745af6 as the text (4.54:1)
  • AAA: use #9986f9 as the text (7.13:1)
  • AA: or shift the background to #9c9c9c (4.51:1)
  • AAA: or shift the background to #c4c4c4 (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 #2409aa as the background.

Brands using this color

Fonts for this mood

#2409aa reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2409aa
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 #2409aa and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2409aa-a79cc4-dfb14e-281f2d-e9ecf1?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