Color

#623371

#623371
hex#623371
rgbrgb(98, 51, 113)
hslhsl(285, 38%, 32%)
oklchoklch(0.408 0.112 317.5)
Closest name: Imperial (#602f6b)Relative luminance 0.0616

Colors that go with #623371

Charcoal, Sea Green and Crimson 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 →

#427133

#423371 · #713361

#716133 · #337161

Split-complementary

Open in tool →

#617133 · #337142

#714233 · #427133 · #336171

Contrast

#623371 as textRatioAAAA largeAAAFix
Aaon white
9.41:1passpasspassPasses AAA — no fix needed.
Aaon black
2.23:1failfailfail
  • AA: use #9e5ab5 as the text (4.58:1)
  • AAA: use #b784c8 as the text (7.15:1)
  • AA: or shift the background to #b5b5b5 (4.59:1)
  • AAA: or shift the background to #e0e0e0 (7.13:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #623371 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

#623371 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #623371
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 #623371 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/623371-bc9fc1-afcb62-2d1f2b-ebe9f1?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