Named color
Rich Black
#004040rgb(0, 64, 64)hsl(180, 100%, 13%)oklch(0.336 0.057 194.8)Rich Black 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 1 public brand that uses it and the palettes it appears in.
Colors that go with Rich Black
Crimson, Sea Green and Teal 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.
Crimson #dc143c
complementaryshippedCrimson sits directly opposite Rich Black on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Sea Green #2e8b57
analogousshippedSea Green is Rich Black's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces.
Teal #008080
analogousshippedTeal is Rich Black's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces.
Amber #ffbf00
shippedAmber is paired with Rich Black in 5 real palettes, including Beach Hut and McDonald's's brand system, as the supporting colour.
Blue #0000ff
shipped12 real palettes, including Jeep's brand system and Instacart's brand system put Blue beside Rich Black, as the accent.
Blush Pink #e8b4b8
shipped5 real palettes, including Rain Garden and Garden Wedding put Blush Pink beside Rich Black, as the accent.
Burlywood #deb887
shippedBurlywood is paired with Rich Black in 4 real palettes, including Polaroid and Coastal, as the accent.
White Smoke #f5f5f5
neutralWhite Smoke is the surface for Rich Black: a clean near-white with no warm cast, so the cool hue stays clear instead of drifting muddy.
Real palettes that use Rich Black
Tints & shades
Harmonies
Contrast
| Rich Black as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 11.62:1 | pass | pass | pass | Passes AAA — no fix needed. |
Aaon black | 1.81:1 | 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 Rich Black as the background.
Brands using this color
Fonts for this mood
Rich Black 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 #004040 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/004040-a2bbbe-d45994-1f272d-e9f1ed?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