Dusk
Open in tool →Slate blue with a copper accent — calm, professional, slightly editorial; suits consultancies and journals.
Color
#212430rgb(33, 36, 48)hsl(228, 19%, 16%)oklch(0.263 0.023 273.8)Charcoal, Amber and 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 that reads cleanly against #212430 without the hard edge of pure #000.
Amber is paired with #212430 in 18 real palettes, including Beach Hut and Wikipedia's brand system, as the supporting colour.
23 real palettes, including Readymag's brand system and Rolex's brand system put Blue beside #212430, as the supporting colour.
Blue Violet is paired with #212430 in 9 real palettes, including ClickUp's brand system and Yahoo's brand system, as the lead colour.
6 real palettes, including Graphite Mono and Rain Garden put Blush Pink beside #212430, as the accent.
5 real palettes, including Typewriter and Woodsmoke put Brown beside #212430, as the accent.
Burlywood is paired with #212430 in 6 real palettes, including Coastal and Chalkboard, as the accent.
Designers have shipped Cadet Blue with #212430: 10 real palettes, including Dusk and Alpine, as the supporting colour.
| #212430 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 15.44:1 | pass | pass | pass | Passes AAA — no fix needed. |
Aaon black | 1.36:1 | fail | fail | fail |
Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #212430 as the background.
Slate blue with a copper accent — calm, professional, slightly editorial; suits consultancies and journals.
Pastels pushed to the saturated end — pink, sky and lemon — for brands that want soft AND loud.
Sea-green and slate with a coral — a literal tide pool: two cool tones, one warm creature.
#212430 reads as cool, muted, dark. 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 #212430 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/212430-9c9fc4-df7c4e-231f2d-e9eff1?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