Color

#2d474d

#2d474d
hex#2d474d
rgbrgb(45, 71, 77)
hslhsl(191, 26%, 24%)
oklchoklch(0.379 0.033 213.8)
Closest name: Charcoal (#36454f)Relative luminance 0.056

Colors that go with #2d474d

Sienna, Blush Pink and Cadet 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 #2d474d

Tints & shades

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

Harmonies

Complementary

Open in tool →

#4d332d

#2d4d43 · #2d374d

#4d2d47 · #474d2d

Split-complementary

Open in tool →

#4d2d37 · #4d432d

#432d4d · #4d332d · #374d2d

Contrast

#2d474d as textRatioAAAA largeAAAFix
Aaon white
9.91:1passpasspassPasses AAA — no fix needed.
Aaon black
2.12:1failfailfail
  • AA: use #4f7d87 as the text (4.62:1)
  • AAA: use #6b9da8 as the text (7.01:1)
  • AA: or shift the background to #b0b0b0 (4.57:1)
  • AAA: or shift the background to #d9d9d9 (7.02:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2d474d 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

#2d474d reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2d474d
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 #2d474d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2d474d-a2b6be-df4e7a-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