Color

#397f59

#397f59
hex#397f59
rgbrgb(57, 127, 89)
hslhsl(147, 38%, 36%)
oklchoklch(0.54 0.093 157.4)
Closest name: Amazon (#387b54)Relative luminance 0.1677

Colors that go with #397f59

Charcoal, Crimson and Medium Violet Red 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 →

#7f395f

#3c7f39 · #397f7b

#58397f · #7f5839

Split-complementary

Open in tool →

#7b397f · #7f393c

#393c7f · #7f395f · #7f7b39

Contrast

#397f59 as textRatioAAAA largeAAAFix
Aaon white
4.82:1passpassfail
  • AAA: use #2c6345 as the text (7.05:1)
Aaon black
4.35:1failpassfail
  • AA: use #3a825b as the text (4.52:1)
  • AAA: use #4ca976 as the text (7.24:1)
  • AA: or shift the background to #f7f7f7 (4.5:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #397f59 as the background.

Brands using this color

mcpConnect your agent — build around #397f59
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 #397f59 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/397f59-a2beb2-d059d4-1f2d2c-eaf1e9?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