Color

#674bb9

#674bb9
hex#674bb9
rgbrgb(103, 75, 185)
hslhsl(255, 44%, 51%)
oklchoklch(0.501 0.166 290.9)
Closest name: slateblue (#6a5acd)Relative luminance 0.1142

Tints & shades

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

Harmonies

Complementary

Open in tool →

#9eb94b

#4b67b9 · #9e4bb9

#b9674b · #4bb967

Split-complementary

Open in tool →

#b99e4b · #67b94b

#b94b67 · #9eb94b · #4bb99e

Contrast

#674bb9 as textRatioAAAA largeAAAFix
Aaon white
6.4:1passpassfail
  • AAA: use #5f45b0 as the text (7.08:1)
Aaon black
3.28:1failpassfail
  • AA: use #7c65c3 as the text (4.51:1)
  • AAA: use #9f8dd3 as the text (7.22:1)
  • AA: or shift the background to #d9d9d9 (4.53:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #674bb9 as the background.

Brands using this color

Fonts for this mood

#674bb9 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #674bb9
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #674bb9 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/674bb9-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