Color

#673aee

#673aee
hex#673aee
rgbrgb(103, 58, 238)
hslhsl(255, 84%, 58%)
oklchoklch(0.522 0.248 285.4)
Closest name: Meteor Shower (#5533ff)Relative luminance 0.1208

Tints & shades

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

Harmonies

Complementary

Open in tool →

#c1ee3a

#3a67ee · #c13aee

#ee673a · #3aee67

Split-complementary

Open in tool →

#eec13a · #67ee3a

#ee3a67 · #c1ee3a · #3aeec1

Contrast

#673aee as textRatioAAAA largeAAAFix
Aaon white
6.15:1passpassfail
  • AAA: use #5827ec as the text (7.2:1)
Aaon black
3.42:1failpassfail
  • AA: use #805bf1 as the text (4.68:1)
  • AAA: use #a185f4 as the text (7.18:1)
  • AA: or shift the background to #dedede (4.57:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #673aee 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

#673aee reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #673aee
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 #673aee and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/673aee-ab9cc4-dfbd4e-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