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
#6da2fdrgb(109, 162, 253)hsl(218, 97%, 71%)oklch(0.715 0.145 260.6)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 #6da2fd: softer than #000 and cool enough to feel like part of the same palette.
Goldenrod sits directly opposite #6da2fd 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 #6da2fd in 6 real palettes, including NBA's brand system and Ahrefs's brand system, as the lead colour.
5 real palettes, including Spotify's brand system and Unity's brand system put Blue beside #6da2fd, as the accent.
Dark Orange shows up next to #6da2fd in 5 real palettes, including Ahrefs's brand system and Learning App, as the lead colour.
Designers have shipped Denim with #6da2fd: 6 real palettes, including Coca-Cola's brand system and Apple's brand system, as the accent.
Medium Sea Green is paired with #6da2fd in 4 real palettes, including Terminal and Spotify's brand system, as the lead colour.
8 real palettes, including Blue Mono and Kraken's brand system put Midnight Blue beside #6da2fd, as the text colour against it.
| #6da2fd as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 2.55:1 | fail | fail | fail | |
Aaon black | 8.24:1 | 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 #6da2fd 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.
#6da2fd 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 #6da2fd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/6da2fd-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