Color

#397989

#397989
hex#397989
rgbrgb(57, 121, 137)
hslhsl(192, 41%, 38%)
oklchoklch(0.541 0.07 216.4)
Closest name: Bermuda (#1b7d8d)Relative luminance 0.1635

Colors that go with #397989

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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#894939

#398971 · #395189

#893979 · #798939

Split-complementary

Open in tool →

#893951 · #897139

#713989 · #894939 · #518939

Contrast

#397989 as textRatioAAAA largeAAAFix
Aaon white
4.92:1passpassfail
  • AAA: use #2d5f6c as the text (7.08:1)
Aaon black
4.27:1failpassfail
  • AA: use #3c7f90 as the text (4.63:1)
  • AAA: use #4fa1b5 as the text (7.1:1)
  • AA: or shift the background to #f5f5f5 (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 #397989 as the background.

Brands using this color

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

Fonts for this mood

#397989 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #397989
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 #397989 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/397989-a2b5be-df4e77-1f242d-e9f1ef?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