Color

#a40efb

#a40efb
hex#a40efb
rgbrgb(164, 14, 251)
hslhsl(278, 97%, 52%)
oklchoklch(0.573 0.291 305.8)
Closest name: Cosmic Heart (#9601f4)Relative luminance 0.1517

Tints & shades

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

Harmonies

Complementary

Open in tool →

#65fb0e

#2e0efb · #fb0edc

#fba40e · #0efba4

Split-complementary

Open in tool →

#dcfb0e · #0efb2e

#fb2e0e · #65fb0e · #0edcfb

Contrast

#a40efb as textRatioAAAA largeAAAFix
Aaon white
5.21:1passpassfail
  • AAA: use #8703d3 as the text (7.04:1)
Aaon black
4.03:1failpassfail
  • AA: use #b02cfc as the text (4.61:1)
  • AAA: use #c86dfd as the text (7.06:1)
  • AA: or shift the background to #f0f0f0 (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 #a40efb 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

#a40efb reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #a40efb
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 #a40efb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/a40efb-ba9cc4-bbcb62-2d1f2c-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