Color

#623bce

#623bce
hex#623bce
rgbrgb(98, 59, 206)
hslhsl(256, 60%, 52%)
oklchoklch(0.49 0.212 288.1)
Closest name: Blurple (#5539cc)Relative luminance 0.1018

Colors that go with #623bce

Charcoal, Royal Blue and Sea Green lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#a7ce3b

#3b5dce · #ac3bce

#ce623b · #3bce62

Split-complementary

Open in tool →

#ceac3b · #5dce3b

#ce3b5d · #a7ce3b · #3bceac

Contrast

#623bce as textRatioAAAA largeAAAFix
Aaon white
6.92:1passpassfail
  • AAA: use #5f37cd as the text (7.21:1)
Aaon black
3.04:1failpassfail
  • AA: use #8060d7 as the text (4.57:1)
  • AAA: use #a089e1 as the text (7.16:1)
  • AA: or shift the background to #d1d1d1 (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 #623bce 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

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

mcpConnect your agent — build around #623bce
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #623bce and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/623bce-ab9cc4-dfbf4e-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