Color

#397f7a

#397f7a
hex#397f7a
rgbrgb(57, 127, 122)
hslhsl(176, 38%, 36%)
oklchoklch(0.55 0.071 189)
Closest name: Emerald Whispers (#2b8478)Relative luminance 0.1745

Colors that go with #397f7a

Charcoal, Crimson and Amber 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 →

#7f393e

#397f57 · #39607f

#7a397f · #7f7a39

Split-complementary

Open in tool →

#7f3960 · #7f5739

#57397f · #7f393e · #607f39

Contrast

#397f7a as textRatioAAAA largeAAAFix
Aaon white
4.68:1passpassfail
  • AAA: use #2b5f5c as the text (7.26:1)
Aaon black
4.49:1failpassfail
  • AA: use #3a827d as the text (4.67:1)
  • AAA: use #4aa59f as the text (7.17:1)
  • AA: or shift the background to #fcfcfc (4.56:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #397f7a as the background.

Brands using this color

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

mcpConnect your agent — build around #397f7a
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 #397f7a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/397f7a-a2bdbe-d4599d-1f282d-e9f1ed?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