Color

#803ae9

#803ae9
hex#803ae9
rgbrgb(128, 58, 233)
hslhsl(264, 80%, 57%)
oklchoklch(0.542 0.243 295.2)
Closest name: blueviolet (#8a2be2)Relative luminance 0.135

Tints & shades

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

Harmonies

Complementary

Open in tool →

#a3e93a

#3a4be9 · #d83ae9

#e9803a · #3ae980

Split-complementary

Open in tool →

#e9d83a · #4be93a

#e93a4b · #a3e93a · #3ae9d8

Contrast

#803ae9 as textRatioAAAA largeAAAFix
Aaon white
5.68:1passpassfail
  • AAA: use #6e1ee6 as the text (7.02:1)
Aaon black
3.7:1failpassfail
  • AA: use #8f51ec as the text (4.56:1)
  • AAA: use #ac7ef1 as the text (7.01:1)
  • AA: or shift the background to #e6e6e6 (4.55:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #803ae9 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#803ae9 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #803ae9
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 #803ae9 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/803ae9-b19cc4-dfd34e-2b1f2d-e9eaf1?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