Color

#623979

#623979
hex#623979
rgbrgb(98, 57, 121)
hslhsl(278, 36%, 35%)
oklchoklch(0.423 0.111 312.1)
Closest name: Heartless (#623b70)Relative luminance 0.069

Colors that go with #623979

Charcoal, Sea Green 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 →

#517939

#423979 · #793971

#796239 · #397962

Split-complementary

Open in tool →

#717939 · #397942

#794239 · #517939 · #397179

Contrast

#623979 as textRatioAAAA largeAAAFix
Aaon white
8.82:1passpasspassPasses AAA — no fix needed.
Aaon black
2.38:1failfailfail
  • AA: use #955fb4 as the text (4.57:1)
  • AAA: use #ae86c6 as the text (7.03:1)
  • AA: or shift the background to #bababa (4.55:1)
  • AAA: or shift the background to #e6e6e6 (7.07:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #623979 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

#623979 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #623979
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 #623979 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/623979-ba9cc4-bbcb62-2d1f2c-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