Color

#136b81

#136b81
hex#136b81
rgbrgb(19, 107, 129)
hslhsl(192, 74%, 29%)
oklchoklch(0.49 0.084 219.9)
Closest name: Chill of the Night (#256d8d)Relative luminance 0.1224

Colors that go with #136b81

Charcoal, Crimson 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.

Real palettes that use #136b81

Tints & shades

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

Harmonies

Complementary

Open in tool →

#812913

#138160 · #133481

#81136b · #6b8113

Split-complementary

Open in tool →

#811334 · #816013

#601381 · #812913 · #348113

Contrast

#136b81 as textRatioAAAA largeAAAFix
Aaon white
6.09:1passpassfail
  • AAA: use #116073 as the text (7.13:1)
Aaon black
3.45:1failpassfail
  • AA: use #17819b as the text (4.65:1)
  • AAA: use #1da2c3 as the text (7.01:1)
  • AA: or shift the background to #dedede (4.53:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #136b81 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

#136b81 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #136b81
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 #136b81 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/136b81-a2b5be-df4e77-1f242d-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