Color

#3e7989

#3e7989
hex#3e7989
rgbrgb(62, 121, 137)
hslhsl(193, 38%, 39%)
oklchoklch(0.543 0.066 217.7)
Closest name: Harbour Blue (#417491)Relative luminance 0.1651

Colors that go with #3e7989

Charcoal, Sienna 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 →

#894e3e

#3e8974 · #3e5389

#893e79 · #79893e

Split-complementary

Open in tool →

#893e53 · #89743e

#743e89 · #894e3e · #53893e

Contrast

#3e7989 as textRatioAAAA largeAAAFix
Aaon white
4.88:1passpassfail
  • AAA: use #2f5d6a as the text (7.25:1)
Aaon black
4.3:1failpassfail
  • AA: use #417f90 as the text (4.66:1)
  • AAA: use #569fb3 as the text (7.01:1)
  • AA: or shift the background to #f7f7f7 (4.56:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3e7989 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

#3e7989 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3e7989
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 #3e7989 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3e7989-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