Color
#191b04
#191b04rgb(25, 27, 4)hsl(65, 74%, 6%)oklch(0.214 0.04 113.7)Colors that go with #191b04
Blue Violet, Charcoal and Royal 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.
Blue Violet #8a2be2
complementaryshippedBlue Violet sits directly opposite #191b04 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Charcoal #36454f
neutralshippedCharcoal is the body-text near-black for #191b04: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy.
Royal Blue #4169e1
split-complementshippedRoyal Blue is a split-complement of #191b04: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Steel Blue #4682b4
triadicshippedSteel Blue completes a triad with #191b04 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash.
Amber #ffbf00
shippedAmber is paired with #191b04 in 18 real palettes, including Trailhead and Heatwave, as the accent.
Blue #0000ff
shipped24 real palettes, including CVS's brand system and Signal's brand system put Blue beside #191b04, as the supporting colour.
Blush Pink #e8b4b8
shipped5 real palettes, including Cartier's brand system and Graphite Mono put Blush Pink beside #191b04, as the supporting colour.
Brown #a52a2a
shipped5 real palettes, including Woodsmoke and State Farm's brand system put Brown beside #191b04, as the accent.
Real palettes that use #191b04
Tints & shades
Harmonies
Contrast
| #191b04 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 17.5:1 | pass | pass | pass | Passes AAA — no fix needed. |
Aaon black | 1.2:1 | 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 #191b04 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
#191b04 reads as vivid, 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 #191b04 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/191b04-b8bea2-4e88df-262d1f-f1eee9?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