Color

#3c6be2

#3c6be2
hex#3c6be2
rgbrgb(60, 107, 226)
hslhsl(223, 74%, 56%)
oklchoklch(0.562 0.189 264.7)
Closest name: Royal Blue (#4169e1)Relative luminance 0.1697

Colors that go with #3c6be2

Charcoal, Crimson 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 →

#e2b33c

#3cbee2 · #603ce2

#e23c6b · #6be23c

Split-complementary

Open in tool →

#e2603c · #bee23c

#e23cbe · #e2b33c · #3ce260

Contrast

#3c6be2 as textRatioAAAA largeAAAFix
Aaon white
4.78:1passpassfail
  • AAA: use #1e4ec8 as the text (7.05:1)
Aaon black
4.39:1failpassfail
  • AA: use #406ee2 as the text (4.55:1)
  • AAA: use #7193ea as the text (7.06:1)
  • AA: or shift the background to #fafafa (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 #3c6be2 as the background.

Brands using this color

Fonts for this mood

#3c6be2 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3c6be2
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 #3c6be2 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3c6be2-9ca3c4-df704e-211f2d-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