Color

#674ac4

#674ac4
hex#674ac4
rgbrgb(103, 74, 196)
hslhsl(254, 51%, 53%)
oklchoklch(0.508 0.181 289.2)
Closest name: slateblue (#6a5acd)Relative luminance 0.1177

Colors that go with #674ac4

Charcoal, Sea Green and Amber 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 →

#a8c44a

#4a6bc4 · #a44ac4

#c4674a · #4ac467

Split-complementary

Open in tool →

#c4a44a · #6bc44a

#c44a6b · #a8c44a · #4ac4a4

Contrast

#674ac4 as textRatioAAAA largeAAAFix
Aaon white
6.26:1passpassfail
  • AAA: use #5d3ec1 as the text (7.18:1)
Aaon black
3.35:1failpassfail
  • AA: use #7d65cd as the text (4.62:1)
  • AAA: use #9e8bda as the text (7.16:1)
  • AA: or shift the background to #dbdbdb (4.52:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #674ac4 as the background.

Brands using this color

Fonts for this mood

#674ac4 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #674ac4
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 #674ac4 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/674ac4-aa9cc4-dfbb4e-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