Color
#3d1264
#3d1264rgb(61, 18, 100)hsl(271, 69%, 23%)oklch(0.303 0.134 302.7)Colors that go with #3d1264
Charcoal, Royal Blue and Cobalt 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 #3d1264: softer than #000 and cool enough to feel like part of the same palette.
Royal Blue #4169e1
analogousshippedRoyal Blue is #3d1264's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces.
Cobalt Blue #0047ab
shippedDesigners have shipped Cobalt Blue with #3d1264: 4 real palettes, including Blue Mono and Purina Pro Plan's brand system, as the lead colour.
Crimson #dc143c
shippedCrimson is paired with #3d1264 in 4 real palettes, including Casper Sleep's brand system and Marvel's brand system, as the lead colour.
Denim #1560bd
shippedDesigners have shipped Denim with #3d1264: 12 real palettes, including Discover's brand system and Bank of America's brand system, as the supporting colour.
Powder Blue #b0e0e6
shippedDesigners have shipped Powder Blue with #3d1264: 6 real palettes, including Frost & Ember and First Snow, as the supporting colour.
Sky Blue #87ceeb
shippedSky Blue is paired with #3d1264 in 4 real palettes, including Harbour and Coastal, as the supporting colour.
Slate Gray #708090
shipped5 real palettes, including Campus and Bloomberg's brand system put Slate Gray beside #3d1264, as the supporting colour.
Real palettes that use #3d1264
Tints & shades
Harmonies
Contrast
| #3d1264 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 14.3:1 | pass | pass | pass | Passes AAA — no fix needed. |
Aaon black | 1.47:1 | 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 #3d1264 as the background.
Brands using this color
Fonts for this mood
#3d1264 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 #3d1264 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/3d1264-b59cc4-c7cb62-2c1f2d-eae9f1?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