Color

#680381

#680381
hex#680381
rgbrgb(104, 3, 129)
hslhsl(288, 95%, 26%)
oklchoklch(0.383 0.184 317.3)
Closest name: Extraviolet (#661188)Relative luminance 0.0459

Tints & shades

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

Harmonies

Complementary

Open in tool →

#1d8103

#290381 · #81035b

#816803 · #038168

Split-complementary

Open in tool →

#5b8103 · #038129

#812903 · #1d8103 · #035b81

Contrast

#680381 as textRatioAAAA largeAAAFix
Aaon white
10.95:1passpasspassPasses AAA — no fix needed.
Aaon black
1.92:1failfailfail
  • AA: use #c006ef as the text (4.51:1)
  • AAA: use #dc60fb as the text (7.11:1)
  • AA: or shift the background to #a8a8a8 (4.6:1)
  • AAA: or shift the background to #cfcfcf (7.03:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #680381 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

#680381 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #680381
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 #680381 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/680381-be9fc1-aacb62-2d1f2a-ece9f1?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