Playground
Open in tool →Orange, blue and green — the colors of playground equipment; loud, cheerful, obviously for kids.
Color
#407bf2rgb(64, 123, 242)hsl(220, 87%, 60%)oklch(0.608 0.19 262.4)Charcoal, Crimson and Copper 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 #407bf2: softer than #000 and cool enough to feel like part of the same palette.
Crimson completes a triad with #407bf2 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash.
Copper sits directly opposite #407bf2 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Amber is paired with #407bf2 in 9 real palettes, including Walmart's brand system and Heatwave, as the accent.
13 real palettes, including Readymag's brand system and Penpot's brand system put Blue beside #407bf2, as the supporting colour.
Designers have shipped Cobalt Blue with #407bf2: 9 real palettes, including Carrefour's brand system and Behance's brand system, as the accent.
Designers have shipped Deep Sky Blue with #407bf2: 7 real palettes, including Patreon's brand system and Elastic's brand system, as the supporting colour.
Designers have shipped Denim with #407bf2: 15 real palettes, including Coursera's brand system and Guinness's brand system, as the accent.
| #407bf2 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 3.94:1 | fail | pass | fail | |
Aaon black | 5.33:1 | pass | 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 #407bf2 as the background.
#407bf2 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 #407bf2 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/407bf2-9ca5c4-df694e-211f2d-e9f0f1?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