Color

#3a60df

#3a60df
hex#3a60df
rgbrgb(58, 96, 223)
hslhsl(226, 72%, 55%)
oklchoklch(0.538 0.198 266.8)
Closest name: Royal Blue (#4169e1)Relative luminance 0.1459

Colors that go with #3a60df

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 →

#dfb83a

#3ab3df · #663adf

#df3a60 · #60df3a

Split-complementary

Open in tool →

#df663a · #b3df3a

#df3ab3 · #dfb83a · #3adf66

Contrast

#3a60df as textRatioAAAA largeAAAFix
Aaon white
5.36:1passpassfail
  • AAA: use #224ace as the text (7.15:1)
Aaon black
3.92:1failpassfail
  • AA: use #4b6ee2 as the text (4.63:1)
  • AAA: use #7792e9 as the text (7.07:1)
  • AA: or shift the background to #ededed (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 #3a60df as the background.

Brands using this color

Fonts for this mood

#3a60df reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3a60df
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 #3a60df and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3a60df-9ca1c4-df774e-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