Color

#8191ef

#8191ef
hex#8191ef
rgbrgb(129, 145, 239)
hslhsl(231, 77%, 72%)
oklchoklch(0.685 0.139 274.8)
Closest name: Perrywinkle (#8f8ce7)Relative luminance 0.3115

Tints & shades

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

Harmonies

Complementary

Open in tool →

#efde81

#81c8ef · #a781ef

#ef8191 · #91ef81

Split-complementary

Open in tool →

#efa781 · #c8ef81

#ef81c8 · #efde81 · #81efa7

Contrast

#8191ef as textRatioAAAA largeAAAFix
Aaon white
2.9:1failfailfail
  • AA: use #536ae9 as the text (4.56:1)
  • AAA: use #2643e3 as the text (7.01:1)
  • AA: or shift the background to #303030 (4.54:1)
  • AAA: or shift the background to #050505 (7.02:1)
Aaon black
7.23:1passpasspassPasses AAA — no fix needed.

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #8191ef 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

#8191ef reads as cool, vivid, light. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #8191ef
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 #8191ef and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/8191ef-9c9ec4-df834e-231f2d-e9eef1?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