Color

#397458

#397458
hex#397458
rgbrgb(57, 116, 88)
hslhsl(152, 34%, 34%)
oklchoklch(0.511 0.077 161.3)
Closest name: Amazon (#387b54)Relative luminance 0.1407

Colors that go with #397458

Charcoal, Medium Violet Red 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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#743955

#39743b · #397274

#593974 · #745939

Split-complementary

Open in tool →

#743972 · #743b39

#3b3974 · #743955 · #727439

Contrast

#397458 as textRatioAAAA largeAAAFix
Aaon white
5.51:1passpassfail
  • AAA: use #2f6049 as the text (7.27:1)
Aaon black
3.81:1failpassfail
  • AA: use #408263 as the text (4.59:1)
  • AAA: use #52a780 as the text (7.2:1)
  • AA: or shift the background to #ebebeb (4.62:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #397458 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 #397458
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 #397458 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/397458-a2beb4-d459ce-1f2d2d-e9f1ea?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