Color

#11366a

#11366a
hex#11366a
rgbrgb(17, 54, 106)
hslhsl(215, 72%, 24%)
oklchoklch(0.339 0.1 257.8)
Closest name: Atlantic Navy (#13336f)Relative luminance 0.038

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#694511

#116269 · #181169

#691136 · #366911

Split-complementary

Open in tool →

#691811 · #626911

#691162 · #694511 · #116918

Contrast

#11366a as textRatioAAAA largeAAAFix
Aaon white
11.93:1passpasspassPasses AAA — no fix needed.
Aaon black
1.76:1failfailfail
  • AA: use #2873dc as the text (4.58:1)
  • AAA: use #6198e5 as the text (7.13:1)
  • AA: or shift the background to #a1a1a1 (4.62:1)
  • AAA: or shift the background to #c7c7c7 (7.06:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #11366a 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

#11366a reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #11366a
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #11366a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/11366a-9ca8c4-df5d4e-201f2d-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