Color
#623ffd
#623ffdrgb(98, 63, 253)hsl(251, 98%, 62%)oklch(0.538 0.261 281.5)Colors that go with #623ffd
Charcoal, Denim and 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.
Charcoal #36454f
neutralshippedCharcoal is the text near-black for #623ffd: softer than #000 and cool enough to feel like part of the same palette.
Denim #1560bd
analogousshippedDenim is #623ffd's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces.
Blue #0000ff
shippedBlue is paired with #623ffd in 4 real palettes, including Dropbox's brand system and Headspace's brand system, as the accent — a combination designers have actually shipped, not a computed rotation.
Cobalt Blue #0047ab
shippedCobalt Blue is paired with #623ffd in 5 real palettes, including Nivea's brand system and NHL's brand system, as the lead colour — a combination designers have actually shipped, not a computed rotation.
Crimson #dc143c
shippedCrimson is paired with #623ffd in 6 real palettes, including Coinbase's brand system and Toyota's brand system — a combination designers have actually shipped, not a computed rotation.
Red #ff0000
shippedRed is paired with #623ffd in 5 real palettes, including Pepsi's brand system and Twitch's brand system, as the lead colour — a combination designers have actually shipped, not a computed rotation.
Taupe #483c32
shippedTaupe is paired with #623ffd in 6 real palettes, including Rotten Tomatoes's brand system and Obsidian's brand system, as the lead colour — a combination designers have actually shipped, not a computed rotation.
Olive Green #808000
complementaryOlive Green sits directly opposite #623ffd 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 #623ffd
Tints & shades
Harmonies
Contrast
| #623ffd as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 5.76:1 | pass | pass | fail |
|
Aaon black | 3.65:1 | 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 #623ffd 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
#623ffd reads as cool, vivid, technical. The font library is tagged with the same vocabulary:
Point 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.
https://mcp.brandsweets.com/colors/mcpclaude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
›analyze #623ffd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/623ffd-a89cc4-dfb34e-281f2d-e9ecf1?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