Color

#11306e

#11306e
hex#11306e
rgbrgb(17, 48, 110)
hslhsl(220, 73%, 25%)
oklchoklch(0.327 0.114 262.2)
Closest name: Atlantic Navy (#13336f)Relative luminance 0.0336

Colors that go with #11306e

Steel Blue, Blue and Cadet 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 →

#6e4f11

#115f6e · #21116e

#6e1130 · #306e11

Split-complementary

Open in tool →

#6e2111 · #5f6e11

#6e115f · #6e4f11 · #116e21

Contrast

#11306e as textRatioAAAA largeAAAFix
Aaon white
12.56:1passpasspassPasses AAA — no fix needed.
Aaon black
1.67:1failfailfail
  • AA: use #3870e0 as the text (4.56:1)
  • AAA: use #6d96e8 as the text (7.18:1)
  • AA: or shift the background to #9c9c9c (4.58:1)
  • AAA: or shift the background to #c2c2c2 (7.05:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #11306e as the background.

Brands using this color

Fonts for this mood

#11306e reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #11306e
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 #11306e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/11306e-9ca5c4-df694e-211f2d-e9f0f1?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