Color

#11535f

#11535f
hex#11535f
rgbrgb(17, 83, 95)
hslhsl(189, 70%, 22%)
oklchoklch(0.409 0.065 213)
Closest name: Abyssal Waters (#005765)Relative luminance 0.0713

Colors that go with #11535f

Steel Blue, Teal and Rust 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 →

#5f1d11

#115f44 · #112c5f

#5f1154 · #545f11

Split-complementary

Open in tool →

#5f112c · #5f4411

#44115f · #5f1d11 · #2c5f11

Contrast

#11535f as textRatioAAAA largeAAAFix
Aaon white
8.65:1passpasspassPasses AAA — no fix needed.
Aaon black
2.43:1failfailfail
  • AA: use #1a8193 as the text (4.61:1)
  • AAA: use #21a3ba as the text (7.01:1)
  • AA: or shift the background to #bdbdbd (4.61:1)
  • AAA: or shift the background to #e8e8e8 (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 #11535f as the background.

Brands using this color

Fonts for this mood

#11535f reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #11535f
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 #11535f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/11535f-a2b7be-df4e7e-1f252d-e9f1ee?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