Color

#138684

#138684
hex#138684
rgbrgb(19, 134, 132)
hslhsl(179, 75%, 30%)
oklchoklch(0.562 0.093 192.9)
Closest name: darkcyan (#008b8b)Relative luminance 0.1885

Colors that go with #138684

Charcoal, Copper and Crimson 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 →

#861315

#13864b · #134e86

#841386 · #868413

Split-complementary

Open in tool →

#86134e · #864b13

#4b1386 · #861315 · #4e8613

Contrast

#138684 as textRatioAAAA largeAAAFix
Aaon white
4.4:1failpassfail
  • AA: use #128180 as the text (4.69:1)
  • AAA: use #0e6261 as the text (7.15:1)
  • AA: or shift the background to #080808 (4.55:1)
Aaon black
4.77:1passpassfail
  • AAA: use #18aaa7 as the text (7.35:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #138684 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

#138684 reads as vivid, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #138684
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 #138684 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/138684-a2bbbe-d45996-1f272d-e9f1ed?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