Color

#665fce

#665fce
hex#665fce
rgbrgb(102, 95, 206)
hslhsl(244, 53%, 59%)
oklchoklch(0.55 0.166 282.3)
Closest name: slateblue (#6a5acd)Relative luminance 0.1547

Tints & shades

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

Harmonies

Complementary

Open in tool →

#c6ce5f

#5f8fce · #9e5fce

#ce665f · #5fce66

Split-complementary

Open in tool →

#ce9e5f · #8fce5f

#ce5f8f · #c6ce5f · #5fce9e

Contrast

#665fce as textRatioAAAA largeAAAFix
Aaon white
5.13:1passpassfail
  • AAA: use #4c44c5 as the text (7.14:1)
Aaon black
4.09:1failpassfail
  • AA: use #6e67d0 as the text (4.51:1)
  • AAA: use #938edc as the text (7.14:1)
  • AA: or shift the background to #f0f0f0 (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 #665fce 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

#665fce reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #665fce
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 #665fce and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/665fce-a39cc4-dfa24e-261f2d-e9edf1?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