Color
#040209
#040209rgb(4, 2, 9)hsl(257, 64%, 2%)oklch(0.099 0.025 299.5)Colors that go with #040209
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 #36454f
neutralshippedCharcoal is the text near-black that reads cleanly against #040209 without the hard edge of pure #000.
Amber #ffbf00
shippedAmber is paired with #040209 in 12 real palettes, including Ahrefs's brand system and Mastodon hosted on mastodon.social's brand system, as the supporting colour.
Blue #0000ff
shipped34 real palettes, including Glossier's brand system and Uber's brand system put Blue beside #040209, as the accent.
Blue Violet #8a2be2
shippedBlue Violet is paired with #040209 in 10 real palettes, including Circuit and Gemstone, as the lead colour.
Champagne #f7e7ce
shipped6 real palettes, including Midnight Luxe and Sweetgreen's brand system put Champagne beside #040209, as the text colour against it.
Cobalt Blue #0047ab
shippedDesigners have shipped Cobalt Blue with #040209: 16 real palettes, including Oreo's brand system and Behance's brand system, as the lead colour.
Copper #b87333
shippedDesigners have shipped Copper with #040209: 4 real palettes, including Chipotle's brand system and Atelier, as the accent.
Cornflower Blue #6495ed
shippedDesigners have shipped Cornflower Blue with #040209: 16 real palettes, including Webflow's brand system and Terminal, as the accent.
Real palettes that use #040209
Tints & shades
Harmonies
Contrast
| #040209 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 20.63:1 | pass | pass | pass | Passes AAA — no fix needed. |
Aaon black | 1.02:1 | 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 #040209 as the background.
Brands using this color
No public brand in the corpus uses this exact color yet. Extract a brand to add one.
Fonts for this mood
#040209 reads as cool, vivid, 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 #040209 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/040209-ac9cc4-dfc24e-291f2d-e9ebf1?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