Color

#347689

#347689
hex#347689
rgbrgb(52, 118, 137)
hslhsl(193, 45%, 37%)
oklchoklch(0.531 0.073 219.6)
Closest name: Calypso (#3d7188)Relative luminance 0.1549

Colors that go with #347689

Charcoal, Crimson and Sienna 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 #347689

Tints & shades

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

Harmonies

Complementary

Open in tool →

#894634

#348971 · #344c89

#893476 · #768934

Split-complementary

Open in tool →

#89344c · #897134

#713489 · #894634 · #4c8934

Contrast

#347689 as textRatioAAAA largeAAAFix
Aaon white
5.12:1passpassfail
  • AAA: use #295d6b as the text (7.31:1)
Aaon black
4.1:1failpassfail
  • AA: use #388094 as the text (4.68:1)
  • AAA: use #4aa2ba as the text (7.17:1)
  • AA: or shift the background to #f2f2f2 (4.58:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #347689 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

#347689 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #347689
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 #347689 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/347689-a2b5be-df4e75-1f242d-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