Color

#a90aff

#a90aff
hex#a90aff
rgbrgb(169, 10, 255)
hslhsl(279, 100%, 52%)
oklchoklch(0.582 0.296 306.6)
Closest name: Cosmic Heart (#9601f4)Relative luminance 0.1587

Tints & shades

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

Harmonies

Complementary

Open in tool →

#60ff0a

#2f0aff · #ff0ada

#ffa90a · #0affa9

Split-complementary

Open in tool →

#daff0a · #0aff2f

#ff2f0a · #60ff0a · #0adaff

Contrast

#a90aff as textRatioAAAA largeAAAFix
Aaon white
5.03:1passpassfail
  • AAA: use #8800d1 as the text (7.08:1)
Aaon black
4.17:1failpassfail
  • AA: use #b224ff as the text (4.59:1)
  • AAA: use #cb6bff as the text (7.09:1)
  • AA: or shift the background to #f5f5f5 (4.61:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #a90aff 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

#a90aff reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #a90aff
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 #a90aff and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/a90aff-b99fc1-b9cb62-2d1f2c-ebe9f1?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