Color

#11518d

#11518d
hex#11518d
rgbrgb(17, 81, 141)
hslhsl(209, 78%, 31%)
oklchoklch(0.43 0.117 251.8)
Closest name: Assassin (#2d4f83)Relative luminance 0.0793

Colors that go with #11518d

Charcoal, Crimson and 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 →

#8d4d11

#118d8b · #11138d

#8d1151 · #518d11

Split-complementary

Open in tool →

#8d1113 · #8d8b11

#8b118d · #8d4d11 · #138d11

Contrast

#11518d as textRatioAAAA largeAAAFix
Aaon white
8.12:1passpasspassPasses AAA — no fix needed.
Aaon black
2.59:1failfailfail
  • AA: use #1976cc as the text (4.5:1)
  • AAA: use #499ce9 as the text (7.22:1)
  • AA: or shift the background to #c2c2c2 (4.56:1)
  • AAA: or shift the background to #f0f0f0 (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 #11518d as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#11518d reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #11518d
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 #11518d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/11518d-9cacc4-df4e4e-1f212d-e9f1f1?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