Color

#394756

#394756
hex#394756
rgbrgb(57, 71, 86)
hslhsl(211, 20%, 28%)
oklchoklch(0.392 0.031 250.4)
Closest name: Charcoal (#36454f)Relative luminance 0.0605

Colors that go with #394756

Teal, Sienna and 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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#564839

#395556 · #3a3956

#563947 · #475639

Split-complementary

Open in tool →

#563a39 · #555639

#563955 · #564839 · #39563a

Contrast

#394756 as textRatioAAAA largeAAAFix
Aaon white
9.5:1passpasspassPasses AAA — no fix needed.
Aaon black
2.21:1failfailfail
  • AA: use #607790 as the text (4.54:1)
  • AAA: use #8598ad as the text (7.09:1)
  • AA: or shift the background to #b3b3b3 (4.53:1)
  • AAA: or shift the background to #dedede (7.06:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #394756 as the background.

Brands using this color

Fonts for this mood

#394756 reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #394756
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 #394756 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/394756-9cabc4-df534e-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