Color

#a90bb7

#a90bb7
hex#a90bb7
rgbrgb(169, 11, 183)
hslhsl(295, 89%, 38%)
oklchoklch(0.527 0.243 324)
Closest name: Magentleman (#aa22bb)Relative luminance 0.1209

Tints & shades

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

Harmonies

Complementary

Open in tool →

#19b70b

#530bb7 · #b70b6f

#b7a90b · #0bb7a9

Split-complementary

Open in tool →

#6fb70b · #0bb753

#b7530b · #19b70b · #0b6fb7

Contrast

#a90bb7 as textRatioAAAA largeAAAFix
Aaon white
6.14:1passpassfail
  • AAA: use #970aa4 as the text (7.25:1)
Aaon black
3.42:1failpassfail
  • AA: use #c80dd9 as the text (4.52:1)
  • AAA: use #e856f5 as the text (7.08:1)
  • AA: or shift the background to #dedede (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 #a90bb7 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

#a90bb7 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #a90bb7
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 #a90bb7 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/a90bb7-c19fbf-9dcb62-2d1f28-ede9f1?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