Color

#623fa6

#623fa6
hex#623fa6
rgbrgb(98, 63, 166)
hslhsl(260, 45%, 45%)
oklchoklch(0.463 0.158 295.1)
Closest name: rebeccapurple (#663399)Relative luminance 0.089

Tints & shades

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

Harmonies

Complementary

Open in tool →

#84a63f

#3f50a6 · #953fa6

#a6623f · #3fa662

Split-complementary

Open in tool →

#a6953f · #50a63f

#a63f50 · #84a63f · #3fa695

Contrast

#623fa6 as textRatioAAAA largeAAAFix
Aaon white
7.55:1passpasspassPasses AAA — no fix needed.
Aaon black
2.78:1failfailfail
  • AA: use #8464c4 as the text (4.6:1)
  • AAA: use #a189d2 as the text (7.02:1)
  • AA: or shift the background to #c9c9c9 (4.56:1)
  • AAA: or shift the background to #f7f7f7 (7.05:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #623fa6 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

#623fa6 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #623fa6
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 #623fa6 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/623fa6-ae9cc4-dfc94e-2a1f2d-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