Indigo SaaS
Open in tool →The dependable indigo-and-emerald B2B pairing: indigo for primary actions, emerald reserved for success states.
Color
#4b49dfrgb(75, 73, 223)hsl(241, 70%, 58%)oklch(0.507 0.22 275.7)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 #4b49df: softer than #000 and cool enough to feel like part of the same palette.
Sea Green completes a triad with #4b49df — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash.
Amber is paired with #4b49df in 5 real palettes, including Walmart's brand system and Wikipedia's brand system, as the accent.
9 real palettes, including Signal's brand system and Headspace's brand system put Blue beside #4b49df, as the supporting colour.
Designers have shipped Cobalt Blue with #4b49df: 8 real palettes, including NHL's brand system and Warbyparker's brand system, as the accent.
Designers have shipped Cornflower Blue with #4b49df: 8 real palettes, including Roblox's brand system and Qualcomm's brand system, as the supporting colour.
Crimson is paired with #4b49df in 16 real palettes, including Chase's brand system and Coinbase's brand system, as the accent.
Dark Orchid is #4b49df's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces.
| #4b49df as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 6.33:1 | pass | pass | fail |
|
Aaon black | 3.32:1 | 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 #4b49df as the background.
No public brand in the corpus uses this exact color yet. Extract a brand to add one.
#4b49df 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 #4b49df and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/4b49df-a19cc4-df9b4e-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