Color

#623bc4

#623bc4
hex#623bc4
rgbrgb(98, 59, 196)
hslhsl(257, 54%, 50%)
oklchoklch(0.481 0.2 289.8)
Closest name: Blurple (#5539cc)Relative luminance 0.0971

Tints & shades

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

Harmonies

Complementary

Open in tool →

#9dc43b

#3b58c4 · #a73bc4

#c4623b · #3bc462

Split-complementary

Open in tool →

#c4a73b · #58c43b

#c43b58 · #9dc43b · #3bc4a7

Contrast

#623bc4 as textRatioAAAA largeAAAFix
Aaon white
7.14:1passpasspassPasses AAA — no fix needed.
Aaon black
2.94:1failfailfail
  • AA: use #8162d0 as the text (4.59:1)
  • AAA: use #a189dc as the text (7.13:1)
  • AA: or shift the background to #cfcfcf (4.58:1)
  • AAA: or shift the background to #ffffff (7.14:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #623bc4 as the background.

Brands using this color

Fonts for this mood

#623bc4 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #623bc4
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 #623bc4 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/623bc4-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