Color

#683cd7

#683cd7
hex#683cd7
rgbrgb(104, 60, 215)
hslhsl(257, 66%, 54%)
oklchoklch(0.505 0.221 288.9)
Closest name: Hokkaido Lavender (#7736d9)Relative luminance 0.1108

Tints & shades

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

Harmonies

Complementary

Open in tool →

#abd73c

#3c5ed7 · #b63cd7

#d7683c · #3cd768

Split-complementary

Open in tool →

#d7b63c · #5ed73c

#d73c5e · #abd73c · #3cd7b6

Contrast

#683cd7 as textRatioAAAA largeAAAFix
Aaon white
6.53:1passpassfail
  • AAA: use #6234d5 as the text (7.07:1)
Aaon black
3.22:1failpassfail
  • AA: use #825ede as the text (4.61:1)
  • AAA: use #a388e7 as the text (7.23:1)
  • AA: or shift the background to #d9d9d9 (4.63:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #683cd7 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

#683cd7 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #683cd7
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 #683cd7 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/683cd7-ac9cc4-dfc24e-291f2d-e9ebf1?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