Blue Mono
Open in tool →One blue at four lightnesses — monochromatic in the colour-theory sense; the deep step is the text, the pale step the surface tint.
Color
#bcd5fargb(188, 213, 250)hsl(216, 86%, 86%)oklch(0.867 0.058 258.1)Charcoal, Deep Sky Blue and Goldenrod 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 #bcd5fa: softer than #000 and cool enough to feel like part of the same palette.
Deep Sky Blue is #bcd5fa's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces.
Goldenrod sits directly opposite #bcd5fa 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 #bcd5fa in 4 real palettes, including Salesforce's brand system and Blueprint, as the accent.
4 real palettes, including Velvet and Woodsmoke put Brown beside #bcd5fa, as the lead colour.
Burlywood is paired with #bcd5fa in 5 real palettes, including Coastal and Velvet, as the accent.
Designers have shipped Copper with #bcd5fa: 5 real palettes, including Bramble and Dusk, as the supporting colour.
Dark Olive Green shows up next to #bcd5fa in 5 real palettes, including Oatmeal and Forest Floor, as the lead colour.
| #bcd5fa as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 1.5:1 | fail | fail | fail | |
Aaon black | 14.04:1 | 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 #bcd5fa as the background.
One blue at four lightnesses — monochromatic in the colour-theory sense; the deep step is the text, the pale step the surface tint.
#bcd5fa reads as cool, vivid, light. 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 #bcd5fa and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/bcd5fa-9ca7c4-df5f4e-201f2d-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