Color

#186b7c

#186b7c
hex#186b7c
rgbrgb(24, 107, 124)
hslhsl(190, 68%, 29%)
oklchoklch(0.488 0.079 215.2)
Closest name: Aqua Obscura (#05696b)Relative luminance 0.1216

Colors that go with #186b7c

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 #186b7c

Tints & shades

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

Harmonies

Complementary

Open in tool →

#7c2818

#187c5b · #18397c

#7c186b · #6b7c18

Split-complementary

Open in tool →

#7c1839 · #7c5b18

#5b187c · #7c2818 · #397c18

Contrast

#186b7c as textRatioAAAA largeAAAFix
Aaon white
6.12:1passpassfail
  • AAA: use #15606f as the text (7.16:1)
Aaon black
3.43:1failpassfail
  • AA: use #1d8296 as the text (4.69:1)
  • AAA: use #24a3bc as the text (7.04:1)
  • AA: or shift the background to #dedede (4.55:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #186b7c 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

#186b7c reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #186b7c
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 #186b7c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/186b7c-a2b6be-df4e7c-1f252d-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