Color

#3a47df

#3a47df
hex#3a47df
rgbrgb(58, 71, 223)
hslhsl(235, 72%, 55%)
oklchoklch(0.494 0.227 271.1)
Closest name: Blurple (#5539cc)Relative luminance 0.1073

Colors that go with #3a47df

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 #3a47df

Tints & shades

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

Harmonies

Complementary

Open in tool →

#dfd13a

#3a9adf · #7e3adf

#df3a47 · #47df3a

Split-complementary

Open in tool →

#df7e3a · #9adf3a

#df3a9a · #dfd13a · #3adf7e

Contrast

#3a47df as textRatioAAAA largeAAAFix
Aaon white
6.67:1passpassfail
  • AAA: use #313fdd as the text (7.28:1)
Aaon black
3.15:1failpassfail
  • AA: use #5d68e5 as the text (4.58:1)
  • AAA: use #8991ec as the text (7.33:1)
  • AA: or shift the background to #d4d4d4 (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 #3a47df 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

#3a47df reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3a47df
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 #3a47df and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3a47df-9e9cc4-df8d4e-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