Color

#604bfb

#604bfb
hex#604bfb
rgbrgb(96, 75, 251)
hslhsl(247, 96%, 64%)
oklchoklch(0.55 0.248 279.8)
Closest name: Meteor Shower (#5533ff)Relative luminance 0.1448

Tints & shades

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

Harmonies

Complementary

Open in tool →

#e7fb4b

#4b8ffb · #b84bfb

#fb604b · #4bfb60

Split-complementary

Open in tool →

#fbb84b · #8ffb4b

#fb4b8f · #e7fb4b · #4bfbb8

Contrast

#604bfb as textRatioAAAA largeAAAFix
Aaon white
5.39:1passpassfail
  • AAA: use #4128fb as the text (7.19:1)
Aaon black
3.9:1failpassfail
  • AA: use #6d5afc as the text (4.52:1)
  • AAA: use #9587fd as the text (7.16:1)
  • AA: or shift the background to #ebebeb (4.52:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #604bfb as the background.

Brands using this color

Fonts for this mood

#604bfb reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #604bfb
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 #604bfb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/604bfb-a59cc4-dfaa4e-271f2d-e9ecf1?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