Color

#136f8b

#136f8b
hex#136f8b
rgbrgb(19, 111, 139)
hslhsl(194, 76%, 31%)
oklchoklch(0.505 0.09 224.6)
Closest name: Blue Fjord (#007290)Relative luminance 0.1337

Colors that go with #136f8b

Charcoal, Crimson and Royal 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 →

#8b2f13

#138b6b · #13338b

#8b136f · #6f8b13

Split-complementary

Open in tool →

#8b1333 · #8b6b13

#6b138b · #8b2f13 · #338b13

Contrast

#136f8b as textRatioAAAA largeAAAFix
Aaon white
5.72:1passpassfail
  • AAA: use #105d75 as the text (7.38:1)
Aaon black
3.67:1failpassfail
  • AA: use #1681a2 as the text (4.7:1)
  • AAA: use #1ca1ca as the text (7:1)
  • AA: or shift the background to #e6e6e6 (4.58:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #136f8b as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Palettes built around it

Fonts for this mood

#136f8b reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #136f8b
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 #136f8b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/136f8b-9cb6c4-df4e72-1f242d-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