Indigo SaaS
Open in tool →The dependable indigo-and-emerald B2B pairing: indigo for primary actions, emerald reserved for success states.
Color
#4742ebrgb(71, 66, 235)hsl(242, 81%, 59%)oklch(0.505 0.243 274.6)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 #4742eb: softer than #000 and cool enough to feel like part of the same palette.
Sea Green completes a triad with #4742eb — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash.
Amber is paired with #4742eb in 6 real palettes, including Walmart's brand system and Mastodon hosted on mastodon.social's brand system, as the accent.
4 real palettes, including Headspace's brand system and Dropbox's brand system put Blue beside #4742eb, as the accent.
Designers have shipped Cobalt Blue with #4742eb: 11 real palettes, including NHL's brand system and Zillow's brand system, as the accent.
Designers have shipped Cornflower Blue with #4742eb: 10 real palettes, including Qualcomm's brand system and Roblox's brand system, as the supporting colour.
Crimson is paired with #4742eb in 13 real palettes, including Coinbase's brand system and Chase's brand system.
Designers have shipped Deep Sky Blue with #4742eb: 4 real palettes, including Warp's brand system and Calm's brand system, as the lead colour.
| #4742eb as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 6.47:1 | pass | pass | fail |
|
Aaon black | 3.25:1 | 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 #4742eb as the background.
No public brand in the corpus uses this exact color yet. Extract a brand to add one.
#4742eb 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 #4742eb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/4742eb-a29cc4-df9e4e-261f2d-e9edf1?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