Blueprint
Open in tool →Cyan and indigo on navy is the developer-tool look; amber is the only warm note, so it always reads as 'attention'.
Color
#52bcfergb(82, 188, 254)hsl(203, 99%, 66%)oklch(0.761 0.136 239.5)Charcoal, Dark Orange and Midnight Blue 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 #52bcfe: softer than #000 and cool enough to feel like part of the same palette.
Dark Orange sits directly opposite #52bcfe on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Midnight Blue is paired with #52bcfe in 6 real palettes, including Blue Mono and Telehealth, as the text colour against it — a combination designers have actually shipped, not a computed rotation.
Periwinkle is paired with #52bcfe in 4 real palettes, including Mistral AI's brand system and Calendly's brand system, as the accent — a combination designers have actually shipped, not a computed rotation.
Taupe is paired with #52bcfe in 6 real palettes, including Astro's brand system and Cursor's brand system, as the text colour against it — a combination designers have actually shipped, not a computed rotation.
Goldenrod is a split-complement of #52bcfe: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Blue is paired with #52bcfe in 3 real palettes, including Warp's brand system and Spotify's brand system, as the supporting colour — a combination designers have actually shipped, not a computed rotation.
Blue Violet is paired with #52bcfe in 3 real palettes, including Render's brand system and Circuit, as the lead colour — a combination designers have actually shipped, not a computed rotation.
| #52bcfe as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 2.1:1 | fail | fail | fail | |
Aaon black | 9.98:1 | pass | pass | pass | Passes AAA — no fix needed. |
Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #52bcfe as the background.
#52bcfe 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 #52bcfe and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/52bcfe-9cb0c4-df4e5d-1f222d-e9f1f0?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