Color

#654bb9

#654bb9
hex#654bb9
rgbrgb(101, 75, 185)
hslhsl(254, 44%, 51%)
oklchoklch(0.499 0.166 289.9)
Closest name: slateblue (#6a5acd)Relative luminance 0.113

Tints & shades

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

Harmonies

Complementary

Open in tool →

#9fb94b

#4b68b9 · #9c4bb9

#b9654b · #4bb965

Split-complementary

Open in tool →

#b99c4b · #68b94b

#b94b68 · #9fb94b · #4bb99c

Contrast

#654bb9 as textRatioAAAA largeAAAFix
Aaon white
6.44:1passpassfail
  • AAA: use #5e45b0 as the text (7.11:1)
Aaon black
3.26:1failpassfail
  • AA: use #7e68c4 as the text (4.66:1)
  • AAA: use #9d8dd3 as the text (7.18:1)
  • AA: or shift the background to #d9d9d9 (4.56:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #654bb9 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

#654bb9 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #654bb9
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 #654bb9 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/654bb9-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