Color

#3d64ae

#3d64ae
hex#3d64ae
rgbrgb(61, 100, 174)
hslhsl(219, 48%, 46%)
oklchoklch(0.512 0.126 262)
Closest name: Denim (#1560bd)Relative luminance 0.1316

Colors that go with #3d64ae

Charcoal, Sea Green 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 →

#ae863d

#3d9dae · #4e3dae

#ae3d64 · #64ae3d

Split-complementary

Open in tool →

#ae4e3d · #9dae3d

#ae3d9d · #ae863d · #3dae4e

Contrast

#3d64ae as textRatioAAAA largeAAAFix
Aaon white
5.78:1passpassfail
  • AAA: use #355797 as the text (7.09:1)
Aaon black
3.63:1failpassfail
  • AA: use #4e76c1 as the text (4.69:1)
  • AAA: use #7796cf as the text (7.05:1)
  • AA: or shift the background to #e3e3e3 (4.5:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3d64ae 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

#3d64ae reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3d64ae
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 #3d64ae and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3d64ae-9ca5c4-df664e-211f2d-e9f0f1?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