First Snow
Open in tool →Ice blue on snow-white with a deep navy — the quietest winter palette; everything is a tint of one cold hue.
Color
#2f4f79rgb(47, 79, 121)hsl(214, 44%, 33%)oklch(0.423 0.08 255.8)Sea Green, Blue and Cadet 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.
Sea Green completes a triad with #2f4f79 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash.
7 real palettes, including CVS's brand system and Alaska Airlines's brand system put Blue beside #2f4f79, as the supporting colour.
Designers have shipped Cadet Blue with #2f4f79: 4 real palettes, including Dusk and Open House, as the supporting colour.
Designers have shipped Cornflower Blue with #2f4f79: 4 real palettes, including Blizzard's brand system and Blue Mono, as the lead colour.
Crimson is paired with #2f4f79 in 13 real palettes, including Codecademy's brand system and Walgreens's brand system, as the accent.
Designers have shipped Denim with #2f4f79: 15 real palettes, including HP's brand system and Hinge's brand system, as the accent.
Goldenrod shows up next to #2f4f79 in 5 real palettes, including Open House and Sapphire & Gold, as the accent.
White Smoke is the surface for #2f4f79: a clean near-white with no warm cast, so the cool hue stays clear instead of drifting muddy.
| #2f4f79 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 8.35:1 | pass | pass | pass | Passes AAA — no fix needed. |
Aaon black | 2.52:1 | 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 #2f4f79 as the background.
No public brand in the corpus uses this exact color yet. Extract a brand to add one.
#2f4f79 reads as cool, modern. 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 #2f4f79 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/2f4f79-9ca9c4-df5a4e-1f1f2d-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