Color

#3a49cf

#3a49cf
hex#3a49cf
rgbrgb(58, 73, 207)
hslhsl(234, 61%, 52%)
oklchoklch(0.482 0.205 271.3)
Closest name: Blurple (#5539cc)Relative luminance 0.1017

Colors that go with #3a49cf

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.

Real palettes that use #3a49cf

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#cfc03a

#3a94cf · #763acf

#cf3a49 · #49cf3a

Split-complementary

Open in tool →

#cf763a · #94cf3a

#cf3a94 · #cfc03a · #3acf76

Contrast

#3a49cf as textRatioAAAA largeAAAFix
Aaon white
6.92:1passpassfail
  • AAA: use #3645ce as the text (7.24:1)
Aaon black
3.03:1failpassfail
  • AA: use #5f6bd8 as the text (4.58:1)
  • AAA: use #8891e2 as the text (7.2:1)
  • AA: or shift the background to #d1d1d1 (4.53:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3a49cf as the background.

Brands using this color

Fonts for this mood

#3a49cf reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3a49cf
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 #3a49cf and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3a49cf-9d9cc4-df8a4e-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