Color

#397379

#397379
hex#397379
rgbrgb(57, 115, 121)
hslhsl(186, 36%, 35%)
oklchoklch(0.519 0.061 204.3)
Closest name: Green Sleeves (#39766c)Relative luminance 0.1451

Colors that go with #397379

Charcoal, Rust and Champagne 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 #397379

Tints & shades

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

Harmonies

Complementary

Open in tool →

#794039

#397960 · #395379

#793973 · #737939

Split-complementary

Open in tool →

#793953 · #796039

#603979 · #794039 · #537939

Contrast

#397379 as textRatioAAAA largeAAAFix
Aaon white
5.38:1passpassfail
  • AAA: use #2f5f65 as the text (7.13:1)
Aaon black
3.9:1failpassfail
  • AA: use #408087 as the text (4.66:1)
  • AAA: use #50a1aa as the text (7.02:1)
  • AA: or shift the background to #ebebeb (4.51:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #397379 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

Fonts for this mood

#397379 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #397379
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 #397379 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/397379-a2b8be-df4e86-1f262d-e9f1ee?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