Color

#343d46

#343d46
hex#343d46
rgbrgb(52, 61, 70)
hslhsl(210, 15%, 24%)
oklchoklch(0.355 0.02 248.4)
Closest name: After Midnight (#38393f)Relative luminance 0.0451

Colors that go with #343d46

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 →

#463d34

#344646 · #343446

#46343d · #3d4634

Split-complementary

Open in tool →

#463434 · #464634

#463446 · #463d34 · #344634

Contrast

#343d46 as textRatioAAAA largeAAAFix
Aaon white
11.04:1passpasspassPasses AAA — no fix needed.
Aaon black
1.9:1failfailfail
  • AA: use #66788a as the text (4.62:1)
  • AAA: use #8a99a8 as the text (7.2:1)
  • AA: or shift the background to #a6a6a6 (4.54:1)
  • AAA: or shift the background to #cfcfcf (7.09:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #343d46 as the background.

Brands using this color

Fonts for this mood

#343d46 reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #343d46
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 #343d46 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/343d46-9cabc4-df514e-1f202d-e9f1f1?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