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
#6da0fdrgb(109, 160, 253)hsl(219, 97%, 71%)oklch(0.711 0.147 261.6)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 #6da0fd: softer than #000 and cool enough to feel like part of the same palette.
Goldenrod sits directly opposite #6da0fd 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 #6da0fd in 7 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 #6da0fd, as the accent.
Dark Orange shows up next to #6da0fd in 5 real palettes, including Ahrefs's brand system and Learning App, as the lead colour.
Designers have shipped Denim with #6da0fd: 7 real palettes, including Coca-Cola's brand system and Venmo's brand system, as the accent.
Gold shows up next to #6da0fd in 4 real palettes, including Miro's brand system and Prime Video's brand system, as the lead colour.
Medium Sea Green is paired with #6da0fd in 4 real palettes, including Terminal and Spotify's brand system, as the lead colour.
| #6da0fd as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 2.59:1 | fail | fail | fail | |
Aaon black | 8.1:1 | 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 #6da0fd 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.
#6da0fd 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 #6da0fd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/6da0fd-9ca5c4-df664e-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