Color

#11405a

#11405a
hex#11405a
rgbrgb(17, 64, 90)
hslhsl(201, 68%, 21%)
oklchoklch(0.354 0.067 237.6)
Closest name: Capital Blue (#1a4157)Relative luminance 0.0452

Colors that go with #11405a

Crimson, Royal Blue and Teal 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 →

#5a2b11

#115a4f · #111c5a

#5a1140 · #405a11

Split-complementary

Open in tool →

#5a111c · #5a4f11

#4f115a · #5a2b11 · #1c5a11

Contrast

#11405a as textRatioAAAA largeAAAFix
Aaon white
11.02:1passpasspassPasses AAA — no fix needed.
Aaon black
1.9:1failfailfail
  • AA: use #217eb0 as the text (4.68:1)
  • AAA: use #319ed8 as the text (7.01:1)
  • AA: or shift the background to #a6a6a6 (4.53:1)
  • AAA: or shift the background to #cfcfcf (7.08:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #11405a 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

#11405a reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #11405a
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 #11405a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/11405a-9cb1c4-df4e62-1f222d-e9f1f0?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