Color

#3e4698

#3e4698
hex#3e4698
rgbrgb(62, 70, 152)
hslhsl(235, 42%, 42%)
oklchoklch(0.434 0.133 275.2)
Closest name: Blueberry (#464196)Relative luminance 0.0767

Colors that go with #3e4698

Charcoal, Sea Green and Steel Blue 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 →

#98913e

#3e7398 · #643e98

#983e46 · #46983e

Split-complementary

Open in tool →

#98643e · #73983e

#983e73 · #98913e · #3e9864

Contrast

#3e4698 as textRatioAAAA largeAAAFix
Aaon white
8.29:1passpasspassPasses AAA — no fix needed.
Aaon black
2.53:1failfailfail
  • AA: use #676ec1 as the text (4.58:1)
  • AAA: use #8b91d0 as the text (7.06:1)
  • AA: or shift the background to #bfbfbf (4.51:1)
  • AAA: or shift the background to #ededed (7.08:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3e4698 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

#3e4698 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3e4698
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 #3e4698 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3e4698-9e9cc4-df8d4e-241f2d-e9eef1?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