Color

#18868c

#18868c
hex#18868c
rgbrgb(24, 134, 140)
hslhsl(183, 71%, 32%)
oklchoklch(0.566 0.091 200.7)
Closest name: darkcyan (#008b8b)Relative luminance 0.1914

Colors that go with #18868c

Charcoal, Crimson and Amber 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 →

#8c1d18

#188c57 · #184c8c

#8c1886 · #868c18

Split-complementary

Open in tool →

#8c184c · #8c5718

#57188c · #8c1d18 · #4c8c18

Contrast

#18868c as textRatioAAAA largeAAAFix
Aaon white
4.35:1failpassfail
  • AA: use #178287 as the text (4.59:1)
  • AAA: use #116064 as the text (7.29:1)
  • AA: or shift the background to #0a0a0a (4.55:1)
Aaon black
4.83:1passpassfail
  • AAA: use #1ea7ae as the text (7.19:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #18868c as the background.

Brands using this color

Fonts for this mood

#18868c reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #18868c
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 #18868c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/18868c-a2b9be-d4598e-1f262d-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