Color

#674cb8

#674cb8
hex#674cb8
rgbrgb(103, 76, 184)
hslhsl(255, 43%, 51%)
oklchoklch(0.502 0.163 290.9)
Closest name: slateblue (#6a5acd)Relative luminance 0.1151

Colors that go with #674cb8

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 →

#9db84c

#4c67b8 · #9d4cb8

#b8674c · #4cb867

Split-complementary

Open in tool →

#b89d4c · #67b84c

#b84c67 · #9db84c · #4cb89d

Contrast

#674cb8 as textRatioAAAA largeAAAFix
Aaon white
6.36:1passpassfail
  • AAA: use #6046af as the text (7.02:1)
Aaon black
3.3:1failpassfail
  • AA: use #7d66c2 as the text (4.55:1)
  • AAA: use #9f8ed2 as the text (7.27:1)
  • AA: or shift the background to #d9d9d9 (4.5:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #674cb8 as the background.

Brands using this color

Fonts for this mood

#674cb8 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #674cb8
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 #674cb8 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/674cb8-ab9cc4-dfbd4e-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