Color

#399385

#399385
hex#399385
rgbrgb(57, 147, 133)
hslhsl(171, 44%, 40%)
oklchoklch(0.605 0.088 181.3)
Closest name: Highlands (#449084)Relative luminance 0.2343

Colors that go with #399385

Charcoal, Copper and Crimson 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.

Real palettes that use #399385

Tints & shades

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

Harmonies

Complementary

Open in tool →

#933947

#399359 · #397393

#853993 · #938539

Split-complementary

Open in tool →

#933973 · #935939

#593993 · #933947 · #739339

Contrast

#399385 as textRatioAAAA largeAAAFix
Aaon white
3.69:1failpassfail
  • AA: use #328175 as the text (4.63:1)
  • AAA: use #255f57 as the text (7.36:1)
  • AA: or shift the background to #1c1c1c (4.61:1)
Aaon black
5.69:1passpassfail
  • AAA: use #40a596 as the text (7.04:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #399385 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Palettes built around it

mcpConnect your agent — build around #399385
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 #399385 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/399385-a2bebd-d459a7-1f292d-e9f1ec?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