Color
#b591f8
#b591f8rgb(181, 145, 248)hsl(261, 88%, 77%)oklch(0.731 0.149 298.8)Colors that go with #b591f8
Amber, Midnight Blue and Royal 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.
Amber #ffbf00
shippedAmber is paired with #b591f8 in 5 real palettes, including Ahrefs's brand system and Blueprint, as the supporting colour.
Midnight Blue #191970
shipped4 real palettes, including Lavender Haze and Lavender Milk put Midnight Blue beside #b591f8, as the text colour against it.
Royal Blue #4169e1
shippedRoyal Blue is paired with #b591f8 in 5 real palettes, including Sephora's brand system and Roblox's brand system, as the supporting colour.
Yellow Green #9acd32
complementaryYellow Green sits directly opposite #b591f8 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Emerald Green #50c878
split-complementshippedEmerald Green is a split-complement of #b591f8: 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 #b591f8: softer than #000 and cool enough to feel like part of the same palette.
Medium Slate Blue #7b68ee
shippedMedium Slate Blue shows up next to #b591f8 in 3 real palettes, including Obsidian's brand system and Mastodon hosted on mastodon.social's brand system, as the supporting colour.
Periwinkle #ccccff
shippedPeriwinkle shows up next to #b591f8 in 3 real palettes, including Lavender Milk and Blue Mono, as the supporting colour.
Tints & shades
Harmonies
Contrast
| #b591f8 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 2.51:1 | fail | fail | fail | |
Aaon black | 8.37:1 | 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 #b591f8 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
#b591f8 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 #b591f8 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/b591f8-af9cc4-dfcb4e-2a1f2d-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