Peacock
Open in tool →Teal, cobalt and magenta at full chroma on white — jewel tones in daylight; the trick is a near-black text with a blue cast.
Color
#a40fa9
#a40fa9
hex
#a40fa9rgb
rgb(164, 15, 169)hsl
hsl(298, 84%, 36%)oklch
oklch(0.512 0.23 326.7)Closest name: Magentle (#aa11aa)Relative luminance 0.111
Colors that go with #a40fa9
Forest Green, Teal and Charcoal lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.
Forest Green #228b22
complementaryForest Green sits directly opposite #a40fa9 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Teal #008080
split-complementshippedTeal is a split-complement of #a40fa9: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Charcoal #36454f
neutralshippedCharcoal is the text near-black for #a40fa9: softer than #000 and cool enough to feel like part of the same palette.
Denim #1560bd
shippedDesigners have shipped Denim with #a40fa9: 3 real palettes, including Peacock and Hasbro's brand system, as the supporting colour.
Olive Green #808000
split-complementOlive Green is a split-complement of #a40fa9: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Crimson #dc143c
shippedCrimson is paired with #a40fa9 in two real palettes: Gemstone and The Ordinary's brand system, as the accent.
Blue Violet #8a2be2
analogousBlue Violet is #a40fa9's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces.
Coral #ff7f50
shippedDesigners have shipped Coral with #a40fa9: Dusk Gradient, as the lead colour.
Real palettes that use #a40fa9
Tints & shades
Harmonies
Contrast
| #a40fa9 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 6.52:1 | pass | pass | fail |
|
Aaon black | 3.22:1 | fail | pass | fail |
Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #a40fa9 as the background.
Brands using this color
No public brand in the corpus uses this exact color yet. Extract a brand to add one.
Palettes built around it
Fonts for this mood
#a40fa9 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:
mcpConnect your agent — build around #a40fa9
live endpointPoint any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.
endpoint
https://mcp.brandsweets.com/colors/mcpclaude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt
›analyze #a40fa9 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
tool url
/palettes/new/a40fa9-c19fbe-98cb62-2d1f28-ede9f1?lock=0&style=vibrantWant the agent to remember your picks and write them into a living brand? Create a free BrandSweets workspace.
Machine-readable: color.md