Neobank
Open in tool →Purple-and-lime is the challenger-bank uniform — high energy, and clearly not a legacy bank.
Color
#731fe0
#731fe0
hex
#731fe0rgb
rgb(115, 31, 224)hsl
hsl(266, 76%, 50%)oklch
oklch(0.497 0.254 294.1)Closest name: Hokkaido Lavender (#7736d9)Relative luminance 0.1001
Colors that go with #731fe0
Olive Green, Deep Sky Blue and Medium Slate Blue 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.
Olive Green #808000
complementaryOlive Green sits directly opposite #731fe0 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Deep Sky Blue #00bfff
shippedDesigners have shipped Deep Sky Blue with #731fe0: 3 real palettes, including Render's brand system and Kraken's brand system, as the supporting colour.
Medium Slate Blue #7b68ee
shippedMedium Slate Blue shows up next to #731fe0 in 3 real palettes, including ClickUp's brand system and Stripe's brand system, as the supporting colour.
Royal Blue #4169e1
analogousshippedRoyal Blue is #731fe0's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces.
Taupe #483c32
shippedTaupe is paired with #731fe0 in 3 real palettes, including Datadog's brand system and Superhuman's brand system, as that palette's text colour.
Teal #008080
triadicshippedTeal completes a triad with #731fe0 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash.
Forest Green #228b22
split-complementForest Green is a split-complement of #731fe0: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Charcoal #36454f
neutralCharcoal is the text near-black for #731fe0: softer than #000 and cool enough to feel like part of the same palette.
Real palettes that use #731fe0
Tints & shades
Harmonies
Contrast
| #731fe0 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 7:1 | pass | pass | fail |
|
Aaon black | 3:1 | 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 #731fe0 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
#731fe0 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:
mcpConnect your agent — build around #731fe0
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 #731fe0 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
tool url
/palettes/new/731fe0-b29cc4-dfd74e-2b1f2d-e9eaf1?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