Color

#3e747e

#3e747e
hex#3e747e
rgbrgb(62, 116, 126)
hslhsl(189, 34%, 37%)
oklchoklch(0.526 0.059 210.9)
Closest name: Calypso (#3d7188)Relative luminance 0.1502

Colors that go with #3e747e

Charcoal, Rust 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 →

#7e483e

#3e7e68 · #3e557e

#7e3e75 · #757e3e

Split-complementary

Open in tool →

#7e3e55 · #7e683e

#683e7e · #7e483e · #557e3e

Contrast

#3e747e as textRatioAAAA largeAAAFix
Aaon white
5.24:1passpassfail
  • AAA: use #325f67 as the text (7.07:1)
Aaon black
4:1failpassfail
  • AA: use #437e89 as the text (4.58:1)
  • AAA: use #58a0ad as the text (7.05:1)
  • AA: or shift the background to #f0f0f0 (4.6:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3e747e 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 #3e747e
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 #3e747e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3e747e-a2b7be-df4e7e-1f252d-e9f1ee?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