Color

#20474c

#20474c
hex#20474c
rgbrgb(32, 71, 76)
hslhsl(187, 41%, 21%)
oklchoklch(0.372 0.045 206.5)
Closest name: Cold and Dark (#154250)Relative luminance 0.0534

Colors that go with #20474c

Steel Blue, Teal 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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#4c2520

#204c3b · #20304c

#4c2046 · #464c20

Split-complementary

Open in tool →

#4c2030 · #4c3b20

#3b204c · #4c2520 · #304c20

Contrast

#20474c as textRatioAAAA largeAAAFix
Aaon white
10.16:1passpasspassPasses AAA — no fix needed.
Aaon black
2.07:1failfailfail
  • AA: use #397f89 as the text (4.57:1)
  • AAA: use #4aa4b0 as the text (7.23:1)
  • AA: or shift the background to #adadad (4.53:1)
  • AAA: or shift the background to #d9d9d9 (7.2:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #20474c as the background.

Brands using this color

Fonts for this mood

#20474c reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #20474c
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 #20474c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/20474c-a2b8be-df4e83-1f262d-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