Color

#3e5289

#3e5289
hex#3e5289
rgbrgb(62, 82, 137)
hslhsl(224, 38%, 39%)
oklchoklch(0.449 0.094 267.5)
Closest name: Assassin (#2d4f83)Relative luminance 0.0886

Colors that go with #3e5289

Sea Green, Steel Blue 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 #3e5289

Tints & shades

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

Harmonies

Complementary

Open in tool →

#89753e

#3e7889 · #4f3e89

#893e52 · #52893e

Split-complementary

Open in tool →

#894f3e · #78893e

#893e78 · #89753e · #3e894f

Contrast

#3e5289 as textRatioAAAA largeAAAFix
Aaon white
7.57:1passpasspassPasses AAA — no fix needed.
Aaon black
2.77:1failfailfail
  • AA: use #5a72b5 as the text (4.51:1)
  • AAA: use #8496c8 as the text (7.18:1)
  • AA: or shift the background to #c9c9c9 (4.57:1)
  • AAA: or shift the background to #f7f7f7 (7.07:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3e5289 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

#3e5289 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3e5289
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 #3e5289 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3e5289-9ca2c4-df724e-221f2d-e9eff1?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