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
#70a3fargb(112, 163, 250)hsl(218, 93%, 71%)oklch(0.717 0.139 260.6)Charcoal, Goldenrod 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 #70a3fa: softer than #000 and cool enough to feel like part of the same palette.
Goldenrod sits directly opposite #70a3fa 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 #70a3fa in 6 real palettes, including NBA's brand system and Ahrefs's brand system, as the lead colour.
6 real palettes, including Canva's brand system and Spotify's brand system put Blue beside #70a3fa, as the accent.
Dark Orange shows up next to #70a3fa in 5 real palettes, including Ahrefs's brand system and Learning App, as the lead colour.
Designers have shipped Denim with #70a3fa: 6 real palettes, including Coca-Cola's brand system and Apple's brand system, as the accent.
Medium Sea Green is paired with #70a3fa in 4 real palettes, including Terminal and Spotify's brand system, as the lead colour.
9 real palettes, including Blue Mono and Kraken's brand system put Midnight Blue beside #70a3fa, as the text colour against it.
| #70a3fa as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 2.53:1 | fail | fail | fail | |
Aaon black | 8.31:1 | 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 #70a3fa 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.
#70a3fa 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 #70a3fa and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/70a3fa-9ca6c4-df644e-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