Color

#623fd5

#623fd5
hex#623fd5
rgbrgb(98, 63, 213)
hslhsl(254, 64%, 54%)
oklchoklch(0.501 0.216 286.5)
Closest name: Blurple (#5539cc)Relative luminance 0.1096

Tints & shades

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

Harmonies

Complementary

Open in tool →

#b2d53f

#3f67d5 · #ad3fd5

#d5623f · #3fd562

Split-complementary

Open in tool →

#d5ad3f · #67d53f

#d53f67 · #b2d53f · #3fd5ad

Contrast

#623fd5 as textRatioAAAA largeAAAFix
Aaon white
6.58:1passpassfail
  • AAA: use #5b36d3 as the text (7.21:1)
Aaon black
3.19:1failpassfail
  • AA: use #7d60dc as the text (4.58:1)
  • AAA: use #9f8ae5 as the text (7.24:1)
  • AA: or shift the background to #d6d6d6 (4.53:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #623fd5 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

#623fd5 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #623fd5
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 #623fd5 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/623fd5-aa9cc4-dfbb4e-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