Brand color
Brex Primary
#040404rgb(4, 4, 4)hsl(0, 0%, 2%)oklch(0.107 0 0)Brex Primary on this page is the real value, not a screenshot: exact hex, RGB, HSL and OKLCH, ten tints and ten shades, classic harmonies, and WCAG contrast with fixes — plus the 7 public brands that use it and the palettes it appears in.
Colors that go with Brex Primary
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 Brex Primary without the hard edge of pure #000.
Amber #ffbf00
shippedAmber is paired with Brex Primary in 16 real palettes, including Ahrefs's brand system and Mastodon hosted on mastodon.social's brand system, as the supporting colour.
Blue #0000ff
shipped42 real palettes, including Glossier's brand system and Uber's brand system put Blue beside Brex Primary, as the accent.
Blue Violet #8a2be2
shippedBlue Violet is paired with Brex Primary in 11 real palettes, including Circuit and Render's brand system, as the lead colour.
Burgundy #800020
shipped4 real palettes, including Rare Beauty's brand system and Mailchimp's brand system put Burgundy beside Brex Primary, as the supporting colour.
Burlywood #deb887
shippedBurlywood is paired with Brex Primary in 4 real palettes, including Velvet and Coffee Bar, as the accent.
Champagne #f7e7ce
shipped6 real palettes, including Midnight Luxe and Sweetgreen's brand system put Champagne beside Brex Primary, as the text colour against it.
Cobalt Blue #0047ab
shippedDesigners have shipped Cobalt Blue with Brex Primary: 24 real palettes, including Oreo's brand system and Behance's brand system, as the lead colour.
Real palettes that use Brex Primary
Tints & shades
Harmonies
Contrast
| Brex Primary as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 20.5:1 | 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 Brex Primary as the background.
Brands using this color
Fonts for this mood
Brex Primary reads as neutral, dark, luxury. 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 #040404 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/040404-a2beb0-c859d4-1f2d2b-eaf1e9?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