Color

#3e7489

#3e7489
hex#3e7489
rgbrgb(62, 116, 137)
hslhsl(197, 38%, 39%)
oklchoklch(0.53 0.066 225.5)
Closest name: Calypso (#3d7188)Relative luminance 0.1532

Colors that go with #3e7489

Charcoal, Sienna 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.

Real palettes that use #3e7489

Tints & shades

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

Harmonies

Complementary

Open in tool →

#89533e

#3e8979 · #3e4e89

#893e74 · #74893e

Split-complementary

Open in tool →

#893e4e · #89793e

#793e89 · #89533e · #4e893e

Contrast

#3e7489 as textRatioAAAA largeAAAFix
Aaon white
5.17:1passpassfail
  • AAA: use #315c6d as the text (7.29:1)
Aaon black
4.06:1failpassfail
  • AA: use #427d94 as the text (4.59:1)
  • AAA: use #619fb8 as the text (7.16:1)
  • AA: or shift the background to #f0f0f0 (4.53:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3e7489 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

#3e7489 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3e7489
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 #3e7489 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3e7489-9cb4c4-df4e6b-1f232d-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