Color

#3d6ec2

#3d6ec2
hex#3d6ec2
rgbrgb(61, 110, 194)
hslhsl(218, 52%, 50%)
oklchoklch(0.547 0.142 260.4)
Closest name: Campanula (#3473b7)Relative luminance 0.1604

Colors that go with #3d6ec2

Charcoal, Sea Green and Sienna 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 →

#c2913d

#3db0c2 · #4f3dc2

#c23d6e · #6ec23d

Split-complementary

Open in tool →

#c24f3d · #b0c23d

#c23db0 · #c2913d · #3dc24f

Contrast

#3d6ec2 as textRatioAAAA largeAAAFix
Aaon white
4.99:1passpassfail
Aaon black
4.21:1failpassfail
  • AA: use #4574c4 as the text (4.55:1)
  • AAA: use #7396d3 as the text (7.03:1)
  • AA: or shift the background to #f5f5f5 (4.58:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3d6ec2 as the background.

Brands using this color

Fonts for this mood

#3d6ec2 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3d6ec2
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 #3d6ec2 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3d6ec2-9ca6c4-df644e-201f2d-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