Color

#691bee

#691bee
hex#691bee
rgbrgb(105, 27, 238)
hslhsl(262, 86%, 52%)
oklchoklch(0.498 0.27 288.3)
Closest name: Electric Indigo (#6600ff)Relative luminance 0.0996

Tints & shades

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

Harmonies

Complementary

Open in tool →

#a1ee1b

#1b37ee · #d21bee

#ee691b · #1bee69

Split-complementary

Open in tool →

#eed21b · #37ee1b

#ee1b37 · #a1ee1b · #1beed2

Contrast

#691bee as textRatioAAAA largeAAAFix
Aaon white
7.02:1passpasspassPasses AAA — no fix needed.
Aaon black
2.99:1failfailfail
  • AA: use #8b50f2 as the text (4.53:1)
  • AAA: use #aa7ff5 as the text (7.06:1)
  • AA: or shift the background to #cfcfcf (4.51:1)
  • AAA: or shift the background to #ffffff (7.02:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #691bee 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

#691bee reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #691bee
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 #691bee and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/691bee-af9cc4-dfce4e-2a1f2d-e9eaf1?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