Color

#3d3af8

#3d3af8
hex#3d3af8
rgbrgb(61, 58, 248)
hslhsl(241, 93%, 60%)
oklchoklch(0.503 0.267 272)
Closest name: Meteor Shower (#5533ff)Relative luminance 0.108

Colors that go with #3d3af8

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 →

#f5f83a

#3a96f8 · #9c3af8

#f83d3a · #3af83d

Split-complementary

Open in tool →

#f89c3a · #96f83a

#f83a96 · #f5f83a · #3af89c

Contrast

#3d3af8 as textRatioAAAA largeAAAFix
Aaon white
6.65:1passpassfail
  • AAA: use #3430f8 as the text (7.18:1)
Aaon black
3.16:1failpassfail
  • AA: use #6462f9 as the text (4.66:1)
  • AAA: use #8b89fb as the text (7.07:1)
  • AA: or shift the background to #d6d6d6 (4.57:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3d3af8 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

#3d3af8 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3d3af8
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 #3d3af8 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3d3af8-a19cc4-df9b4e-261f2d-e9edf1?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