Color

#343a46

#343a46
hex#343a46
rgbrgb(52, 58, 70)
hslhsl(220, 15%, 24%)
oklchoklch(0.348 0.023 264.2)
Closest name: After Midnight (#38393f)Relative luminance 0.042

Colors that go with #343a46

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 →

#464034

#344346 · #373446

#46343a · #3a4634

Split-complementary

Open in tool →

#463734 · #434634

#463443 · #464034 · #344637

Contrast

#343a46 as textRatioAAAA largeAAAFix
Aaon white
11.42:1passpasspassPasses AAA — no fix needed.
Aaon black
1.84:1failfailfail
  • AA: use #6a7790 as the text (4.65:1)
  • AAA: use #8d97aa as the text (7.14:1)
  • AA: or shift the background to #a3a3a3 (4.53:1)
  • AAA: or shift the background to #cccccc (7.11:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #343a46 as the background.

Brands using this color

Fonts for this mood

#343a46 reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #343a46
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 #343a46 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/343a46-9ca5c4-df694e-211f2d-e9f0f1?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