Color

#6b59de

#6b59de
hex#6b59de
rgbrgb(107, 89, 222)
hslhsl(248, 67%, 61%)
oklchoklch(0.555 0.195 284.3)
Closest name: slateblue (#6a5acd)Relative luminance 0.1554

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ccde59

#598ade · #ad59de

#de6b59 · #59de6b

Split-complementary

Open in tool →

#dead59 · #8ade59

#de598a · #ccde59 · #59dead

Contrast

#6b59de as textRatioAAAA largeAAAFix
Aaon white
5.11:1passpassfail
  • AAA: use #503bd8 as the text (7.1:1)
Aaon black
4.11:1failpassfail
  • AA: use #7261e0 as the text (4.5:1)
  • AAA: use #988ce8 as the text (7.25:1)
  • AA: or shift the background to #f2f2f2 (4.57:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #6b59de as the background.

Brands using this color

Fonts for this mood

#6b59de reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #6b59de
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 #6b59de and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/6b59de-a69cc4-dfac4e-271f2d-e9ecf1?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