Playground
Open in tool →Orange, blue and green — the colors of playground equipment; loud, cheerful, obviously for kids.
Color
#1a87f4rgb(26, 135, 244)hsl(210, 91%, 53%)oklch(0.625 0.187 253.9)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 #1a87f4: softer than #000 and cool enough to feel like part of the same palette.
Crimson completes a triad with #1a87f4 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash.
Copper sits directly opposite #1a87f4 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 #1a87f4 in 10 real palettes, including Heatwave and Walmart's brand system, as the supporting colour.
12 real palettes, including Readymag's brand system and Unity's brand system put Blue beside #1a87f4, as the supporting colour.
Designers have shipped Cobalt Blue with #1a87f4: 8 real palettes, including Carrefour's brand system and Behance's brand system, as the accent.
Dark Orange shows up next to #1a87f4 in 4 real palettes, including Playground and Elastic's brand system, as the lead colour.
Designers have shipped Deep Sky Blue with #1a87f4: 8 real palettes, including Patreon's brand system and Figma's brand system, as the supporting colour.
| #1a87f4 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 3.61:1 | fail | pass | fail | |
Aaon black | 5.82:1 | 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 #1a87f4 as the background.
#1a87f4 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 #1a87f4 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/1a87f4-9cabc4-df514e-1f202d-e9f1f1?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