Color
#516303
#516303rgb(81, 99, 3)hsl(71, 94%, 20%)oklch(0.468 0.111 121.3)Colors that go with #516303
Charcoal, Blue Violet 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 body-text near-black for #516303: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy.
Blue Violet #8a2be2
complementaryshippedBlue Violet sits directly opposite #516303 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Blue #0000ff
shipped4 real palettes, including Warp's brand system and Rolex's brand system put Blue beside #516303, as the supporting colour.
Crimson #dc143c
shippedCrimson is paired with #516303 in 5 real palettes, including MAC Cosmetics's brand system and Five Guys's brand system, as the supporting colour.
Denim #1560bd
shippedDesigners have shipped Denim with #516303: 5 real palettes, including Xbox's brand system and Intel's brand system, as the supporting colour.
Royal Blue #4169e1
split-complementshippedRoyal Blue is a split-complement of #516303: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Sage Green #9caf88
shippedDesigners have shipped Sage Green with #516303: 6 real palettes, including Olive Grove and Pine & Birch, as the supporting colour.
Slate Gray #708090
shipped4 real palettes, including Clay & Linen and Bookshop put Slate Gray beside #516303, as the supporting colour.
Real palettes that use #516303
Tints & shades
Harmonies
Contrast
| #516303 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 6.7:1 | pass | pass | fail |
|
Aaon black | 3.14:1 | fail | pass | fail |
Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #516303 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
#516303 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 #516303 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/516303-b6bea2-4e7adf-252d1f-f1efe9?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