Color

#343550

#343550
hex#343550
rgbrgb(52, 53, 80)
hslhsl(238, 21%, 26%)
oklchoklch(0.34 0.047 281.9)
Closest name: Call It a Night (#42364c)Relative luminance 0.0386

Colors that go with #343550

Dark Olive Green, Steel Blue and Teal 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 →

#504f34

#344350 · #413450

#503435 · #355034

Split-complementary

Open in tool →

#504134 · #435034

#503443 · #504f34 · #345041

Contrast

#343550 as textRatioAAAA largeAAAFix
Aaon white
11.86:1passpasspassPasses AAA — no fix needed.
Aaon black
1.77:1failfailfail
  • AA: use #7173a2 as the text (4.68:1)
  • AAA: use #9394b8 as the text (7.17:1)
  • AA: or shift the background to #a1a1a1 (4.59:1)
  • AAA: or shift the background to #c7c7c7 (7.01:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #343550 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

#343550 reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #343550
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 #343550 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/343550-9f9cc4-df944e-251f2d-e9edf1?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