Color

#3d4cf0

#3d4cf0
hex#3d4cf0
rgbrgb(61, 76, 240)
hslhsl(235, 86%, 59%)
oklchoklch(0.519 0.241 270.7)
Closest name: Meteor Shower (#5533ff)Relative luminance 0.1245

Tints & shades

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

Harmonies

Complementary

Open in tool →

#f0e13d

#3da5f0 · #873df0

#f03d4c · #4cf03d

Split-complementary

Open in tool →

#f0873d · #a5f03d

#f03da5 · #f0e13d · #3df087

Contrast

#3d4cf0 as textRatioAAAA largeAAAFix
Aaon white
6.02:1passpassfail
  • AAA: use #2a3aef as the text (7.12:1)
Aaon black
3.49:1failpassfail
  • AA: use #5966f3 as the text (4.62:1)
  • AAA: use #848df6 as the text (7.12:1)
  • AA: or shift the background to #e0e0e0 (4.56:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3d4cf0 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

#3d4cf0 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3d4cf0
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #3d4cf0 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3d4cf0-9e9cc4-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