Color

#20666a

#20666a
hex#20666a
rgbrgb(32, 102, 106)
hslhsl(183, 54%, 27%)
oklchoklch(0.469 0.068 200.6)
Closest name: Aqua Obscura (#05696b)Relative luminance 0.1085

Colors that go with #20666a

Charcoal, Crimson and 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.

Real palettes that use #20666a

Tints & shades

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

Harmonies

Complementary

Open in tool →

#6a2320

#206a49 · #20416a

#6a2066 · #666a20

Split-complementary

Open in tool →

#6a2041 · #6a4920

#49206a · #6a2320 · #416a20

Contrast

#20666a as textRatioAAAA largeAAAFix
Aaon white
6.62:1passpassfail
  • AAA: use #1d5f62 as the text (7.33:1)
Aaon black
3.17:1failpassfail
  • AA: use #288186 as the text (4.57:1)
  • AAA: use #34a7ad as the text (7.28:1)
  • AA: or shift the background to #d6d6d6 (4.56:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #20666a as the background.

Brands using this color

Fonts for this mood

#20666a reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #20666a
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 #20666a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/20666a-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