Color

#623d7b

#623d7b
hex#623d7b
rgbrgb(98, 61, 123)
hslhsl(276, 34%, 36%)
oklchoklch(0.431 0.106 310.2)
Closest name: Heartless (#623b70)Relative luminance 0.0736

Colors that go with #623d7b

Charcoal, Crimson and Denim 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 →

#567b3d

#433d7b · #7b3d75

#7b623d · #3d7b62

Split-complementary

Open in tool →

#757b3d · #3d7b43

#7b433d · #567b3d · #3d757b

Contrast

#623d7b as textRatioAAAA largeAAAFix
Aaon white
8.49:1passpasspassPasses AAA — no fix needed.
Aaon black
2.47:1failfailfail
  • AA: use #9262b2 as the text (4.61:1)
  • AAA: use #ac87c4 as the text (7.02:1)
  • AA: or shift the background to #bdbdbd (4.52:1)
  • AAA: or shift the background to #ebebeb (7.12:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #623d7b as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

mcpConnect your agent — build around #623d7b
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 #623d7b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/623d7b-b99cc4-bfcb62-2d1f2d-eae9f1?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