Color

#343a3d

#343a3d
hex#343a3d
rgbrgb(52, 58, 61)
hslhsl(200, 8%, 22%)
oklchoklch(0.344 0.01 229.1)
Closest name: Artist’s Charcoal (#37393e)Relative luminance 0.0409

Colors that go with #343a3d

Amber, Blue and Blush Pink 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 →

#3d3734

#343d3b · #34353d

#3d343a · #3a3d34

Split-complementary

Open in tool →

#3d3435 · #3d3b34

#3b343d · #3d3734 · #353d34

Contrast

#343a3d as textRatioAAAA largeAAAFix
Aaon white
11.55:1passpasspassPasses AAA — no fix needed.
Aaon black
1.82:1failfailfail
  • AA: use #6c787f as the text (4.63:1)
  • AAA: use #8b979c as the text (7:1)
  • AA: or shift the background to #a3a3a3 (4.58:1)
  • AAA: or shift the background to #cccccc (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 #343a3d as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#343a3d reads as muted, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #343a3d
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 #343a3d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/343a3d-9cb2c4-df4e64-1f232d-e9f1f0?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