Color

#13535d

#13535d
hex#13535d
rgbrgb(19, 83, 93)
hslhsl(188, 66%, 22%)
oklchoklch(0.408 0.063 210.4)
Closest name: Abyssal Waters (#005765)Relative luminance 0.0712

Colors that go with #13535d

Steel Blue, Rust and 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 →

#5d1d13

#135d42 · #132e5d

#5d1353 · #535d13

Split-complementary

Open in tool →

#5d132e · #5d4213

#42135d · #5d1d13 · #2e5d13

Contrast

#13535d as textRatioAAAA largeAAAFix
Aaon white
8.67:1passpasspassPasses AAA — no fix needed.
Aaon black
2.42:1failfailfail
  • AA: use #1d8190 as the text (4.6:1)
  • AAA: use #26a7ba as the text (7.32:1)
  • AA: or shift the background to #bdbdbd (4.61:1)
  • AAA: or shift the background to #e8e8e8 (7.07:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #13535d as the background.

Brands using this color

Fonts for this mood

#13535d reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #13535d
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 #13535d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/13535d-a2b7be-df4e81-1f252d-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