Color
#00381d
#00381drgb(0, 56, 29)hsl(151, 100%, 11%)oklch(0.299 0.073 155.6)Colors that go with #00381d
Charcoal, Crimson 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.
Charcoal #36454f
neutralshippedCharcoal is the text near-black for #00381d: softer than #000 and cool enough to feel like part of the same palette.
Crimson #dc143c
split-complementshippedCrimson is a split-complement of #00381d: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Royal Blue #4169e1
triadicshippedRoyal Blue completes a triad with #00381d — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash.
Rust #b7410e
triadicshippedRust completes a triad with #00381d — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash.
Teal #008080
analogousshippedTeal is #00381d'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 #00381d in 7 real palettes, including McDonald's's brand system and Beach Hut, as the lead colour.
Blue #0000ff
shipped12 real palettes, including Instacart's brand system and Headspace's brand system put Blue beside #00381d, as the accent.
Blush Pink #e8b4b8
shipped5 real palettes, including Rain Garden and Garden Wedding put Blush Pink beside #00381d, as the accent.
Real palettes that use #00381d
Tints & shades
Harmonies
Contrast
| #00381d as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 13.26:1 | pass | pass | pass | Passes AAA — no fix needed. |
Aaon black | 1.58:1 | 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 #00381d 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
#00381d 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 #00381d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/00381d-a2beb4-d459d0-1f2d2c-e9f1ea?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