Color
#b399fa
#b399fargb(179, 153, 250)hsl(256, 91%, 79%)oklch(0.744 0.139 295.1)Colors that go with #b399fa
Amber, Midnight Blue and Periwinkle 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.
Amber #ffbf00
shippedAmber is paired with #b399fa in 5 real palettes, including Ahrefs's brand system and Blueprint, as the supporting colour.
Midnight Blue #191970
shipped5 real palettes, including Lavender Haze and Lavender Milk put Midnight Blue beside #b399fa, as the text colour against it.
Periwinkle #ccccff
shippedPeriwinkle shows up next to #b399fa in 4 real palettes, including Lavender Milk and Calendly's brand system, as the supporting colour.
Royal Blue #4169e1
shippedRoyal Blue is paired with #b399fa in 7 real palettes, including Sephora's brand system and Roblox's brand system, as the supporting colour.
Yellow Green #9acd32
complementaryYellow Green sits directly opposite #b399fa on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Charcoal #36454f
neutralshippedCharcoal is the text near-black for #b399fa: softer than #000 and cool enough to feel like part of the same palette.
Deep Sky Blue #00bfff
shippedDesigners have shipped Deep Sky Blue with #b399fa: 3 real palettes, including Blueprint and Calm's brand system, as the lead colour.
Medium Sea Green #3cb371
shippedMedium Sea Green is paired with #b399fa in 3 real palettes, including Spotify's brand system and Terminal, as the lead colour.
Tints & shades
Harmonies
Contrast
| #b399fa as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 2.37:1 | fail | fail | fail | |
Aaon black | 8.85:1 | pass | pass | pass | Passes AAA — no fix needed. |
Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #b399fa as the background.
Brands using this color
Fonts for this mood
#b399fa reads as cool, vivid, light. 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 #b399fa and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/b399fa-ab9cc4-dfbf4e-291f2d-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