Color

#623a98

#623a98
hex#623a98
rgbrgb(98, 58, 152)
hslhsl(266, 45%, 41%)
oklchoklch(0.445 0.148 300)
Closest name: rebeccapurple (#663399)Relative luminance 0.0789

Colors that go with #623a98

Dark Olive Green, Charcoal and Midnight Blue 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.

Real palettes that use #623a98

Tints & shades

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

Harmonies

Complementary

Open in tool →

#6f983a

#3a4098 · #913a98

#98623a · #3a9862

Split-complementary

Open in tool →

#98913a · #40983a

#983a40 · #6f983a · #3a9891

Contrast

#623a98 as textRatioAAAA largeAAAFix
Aaon white
8.15:1passpasspassPasses AAA — no fix needed.
Aaon black
2.58:1failfailfail
  • AA: use #8b60c3 as the text (4.56:1)
  • AAA: use #a989d2 as the text (7.2:1)
  • AA: or shift the background to #c2c2c2 (4.57:1)
  • AAA: or shift the background to #f0f0f0 (7.15:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #623a98 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

#623a98 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #623a98
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 #623a98 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/623a98-b29cc4-dfd74e-2b1f2d-e9eaf1?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