Color

#11404b

#11404b
hex#11404b
rgbrgb(17, 64, 75)
hslhsl(191, 63%, 18%)
oklchoklch(0.346 0.053 216.6)
Closest name: Cold and Dark (#154250)Relative luminance 0.0429

Tints & shades

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

Harmonies

Complementary

Open in tool →

#4b1c11

#114b39 · #11234b

#4b1140 · #404b11

Split-complementary

Open in tool →

#4b1123 · #4b3911

#39114b · #4b1c11 · #234b11

Contrast

#11404b as textRatioAAAA largeAAAFix
Aaon white
11.3:1passpasspassPasses AAA — no fix needed.
Aaon black
1.86:1failfailfail
  • AA: use #228096 as the text (4.6:1)
  • AAA: use #2ba4bf as the text (7.17:1)
  • AA: or shift the background to #a6a6a6 (4.64:1)
  • AAA: or shift the background to #cccccc (7.03:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #11404b as the background.

Brands using this color

Fonts for this mood

#11404b reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #11404b
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 #11404b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/11404b-a2b6be-df4e7a-1f252d-e9f1ef?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