Neobank
Open in tool →Purple-and-lime is the challenger-bank uniform — high energy, and clearly not a legacy bank.
Color
#6427dd
#6427dd
hex
#6427ddrgb
rgb(100, 39, 221)hsl
hsl(260, 73%, 51%)oklch
oklch(0.484 0.246 288.5)Closest name: Blurple (#5539cc)Relative luminance 0.0938
Colors that go with #6427dd
Royal Blue, Charcoal and Cobalt 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.
Royal Blue #4169e1
analogousshippedRoyal Blue is #6427dd's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces.
Charcoal #36454f
neutralshippedCharcoal is the text near-black for #6427dd: softer than #000 and cool enough to feel like part of the same palette.
Cobalt Blue #0047ab
shippedDesigners have shipped Cobalt Blue with #6427dd: 5 real palettes, including Zillow's brand system and Unilever's brand system, as the supporting colour.
Deep Sky Blue #00bfff
shippedDesigners have shipped Deep Sky Blue with #6427dd: 4 real palettes, including Kraken's brand system and Render's brand system, as the accent.
Denim #1560bd
shippedDesigners have shipped Denim with #6427dd: 5 real palettes, including Linkedin's brand system and Unilever's brand system, as the lead colour.
Midnight Blue #191970
shipped5 real palettes, including Kraken's brand system and Purina Pro Plan's brand system put Midnight Blue beside #6427dd, as the lead colour.
Tomato #ff6347
shipped4 real palettes, including GitLab's brand system and Etsy's brand system put Tomato beside #6427dd, as the lead colour.
Olive Green #808000
complementaryOlive Green sits directly opposite #6427dd on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Real palettes that use #6427dd
Tints & shades
Harmonies
Contrast
| #6427dd as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 7.3:1 | pass | pass | pass | Passes AAA — no fix needed. |
Aaon black | 2.88:1 | fail | fail | fail |
Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #6427dd 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
#6427dd reads as cool, vivid, technical. The font library is tagged with the same vocabulary:
mcpConnect your agent — build around #6427dd
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 #6427dd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
tool url
/palettes/new/6427dd-ae9cc4-dfc94e-2a1f2d-e9ebf1?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