Indigo SaaS
Open in tool →The dependable indigo-and-emerald B2B pairing: indigo for primary actions, emerald reserved for success states.
Color
#533fe9rgb(83, 63, 233)hsl(247, 79%, 58%)oklch(0.508 0.241 278.7)Charcoal, Sea Green and Amber 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 is the text near-black for #533fe9: softer than #000 and cool enough to feel like part of the same palette.
Sea Green completes a triad with #533fe9 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash.
Amber is paired with #533fe9 in 6 real palettes, including Walmart's brand system and Mastodon hosted on mastodon.social's brand system, as the accent.
5 real palettes, including Signal's brand system and Headspace's brand system put Blue beside #533fe9, as the supporting colour.
Designers have shipped Cobalt Blue with #533fe9: 7 real palettes, including NHL's brand system and Zillow's brand system, as the accent.
Designers have shipped Cornflower Blue with #533fe9: 9 real palettes, including Roblox's brand system and Qualcomm's brand system, as the supporting colour.
Crimson is paired with #533fe9 in 12 real palettes, including Coinbase's brand system and Chase's brand system.
Designers have shipped Deep Sky Blue with #533fe9: 5 real palettes, including Calm's brand system and Warp's brand system, as the lead colour.
| #533fe9 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 6.45:1 | pass | pass | fail |
|
Aaon black | 3.26:1 | 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 #533fe9 as the background.
No public brand in the corpus uses this exact color yet. Extract a brand to add one.
#533fe9 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 #533fe9 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/533fe9-a59cc4-dfaa4e-271f2d-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