Color

#803bc9

#803bc9
hex#803bc9
rgbrgb(128, 59, 201)
hslhsl(269, 57%, 51%)
oklchoklch(0.517 0.208 301.6)
Closest name: Hokkaido Lavender (#7736d9)Relative luminance 0.1193

Tints & shades

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

Harmonies

Complementary

Open in tool →

#84c93b

#3b3dc9 · #c73bc9

#c9803b · #3bc980

Split-complementary

Open in tool →

#c9c73b · #3dc93b

#c93b3d · #84c93b · #3bc9c7

Contrast

#803bc9 as textRatioAAAA largeAAAFix
Aaon white
6.2:1passpassfail
  • AAA: use #7634bc as the text (7.03:1)
Aaon black
3.39:1failpassfail
  • AA: use #9257d1 as the text (4.51:1)
  • AAA: use #ae83dd as the text (7.09:1)
  • AA: or shift the background to #dedede (4.61:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #803bc9 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

#803bc9 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #803bc9
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 #803bc9 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/803bc9-b49cc4-cbcb62-2c1f2d-e9e9f1?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