Color
#4c1b64
#4c1b64rgb(76, 27, 100)hsl(280, 57%, 25%)oklch(0.335 0.126 312.4)Colors that go with #4c1b64
Sea Green, Charcoal and Crimson 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.
Sea Green #2e8b57
complementaryshippedSea Green sits directly opposite #4c1b64 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 text near-black for #4c1b64: softer than #000 and cool enough to feel like part of the same palette.
Crimson #dc143c
shippedCrimson is paired with #4c1b64 in 5 real palettes, including Marvel's brand system and Casper Sleep's brand system, as the accent.
Denim #1560bd
shippedDesigners have shipped Denim with #4c1b64: 8 real palettes, including Hinge's brand system and Discover's brand system, as the accent.
Midnight Blue #191970
shipped9 real palettes, including Gillette's brand system and Tide Pool put Midnight Blue beside #4c1b64, as the supporting colour.
Powder Blue #b0e0e6
shippedDesigners have shipped Powder Blue with #4c1b64: 4 real palettes, including Macaron and Frost & Ember, as the supporting colour.
Slate Gray #708090
shipped4 real palettes, including Bloomberg's brand system and Hermès's brand system put Slate Gray beside #4c1b64, as the accent.
Taupe #483c32
shippedTaupe is paired with #4c1b64 in 4 real palettes, including Gillette's brand system and American Eagle's brand system, as the lead colour.
Real palettes that use #4c1b64
Tints & shades
Harmonies
Contrast
| #4c1b64 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 12.74:1 | pass | pass | pass | Passes AAA — no fix needed. |
Aaon black | 1.65:1 | 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 #4c1b64 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
#4c1b64 reads as cool, 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 #4c1b64 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/4c1b64-b99fc1-b8cb62-2d1f2c-ebe9f1?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