Color
#3d102c
#3d102crgb(61, 16, 44)hsl(323, 58%, 15%)oklch(0.259 0.079 345.7)Colors that go with #3d102c
Charcoal, Firebrick and Sea Green 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 #3d102c: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy.
Firebrick #b22222
analogousshippedFirebrick is #3d102c's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces.
Sea Green #2e8b57
complementaryshippedSea Green sits directly opposite #3d102c on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Teal #008080
split-complementshippedTeal is a split-complement of #3d102c: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Amber #ffbf00
shippedAmber is paired with #3d102c in 18 real palettes, including Wikipedia's brand system and Google's brand system, as the accent.
Blue #0000ff
shipped20 real palettes, including Tim Hortons's brand system and Sketch's brand system put Blue beside #3d102c, as the accent.
Blue Violet #8a2be2
shippedBlue Violet is paired with #3d102c in 6 real palettes, including ClickUp's brand system and Yahoo's brand system, as the lead colour.
Blush Pink #e8b4b8
shipped5 real palettes, including Blush and Graphite Mono put Blush Pink beside #3d102c, as the supporting colour.
Real palettes that use #3d102c
Tints & shades
Harmonies
Contrast
| #3d102c as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 16.04:1 | pass | pass | pass | Passes AAA — no fix needed. |
Aaon black | 1.31:1 | 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 #3d102c 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
#3d102c reads as warm, 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 #3d102c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/3d102c-c19fb0-6dcb62-2d1f22-f0e9f1?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