Color
#501b4d
#501b4drgb(80, 27, 77)hsl(303, 50%, 21%)oklch(0.325 0.105 329.9)Colors that go with #501b4d
Charcoal, Sea Green 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 text near-black for #501b4d: softer than #000 and cool enough to feel like part of the same palette.
Sea Green #2e8b57
complementaryshippedSea Green sits directly opposite #501b4d on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Blue #0000ff
shipped6 real palettes, including Sketch's brand system and Tim Hortons's brand system put Blue beside #501b4d, as the accent.
Cadet Blue #5f9ea0
shippedDesigners have shipped Cadet Blue with #501b4d: 5 real palettes, including Open House and SoFi's brand system, as the supporting colour.
Copper #b87333
shippedDesigners have shipped Copper with #501b4d: 6 real palettes, including Bramble and Notion's brand system, as the supporting colour.
Crimson #dc143c
shippedCrimson is paired with #501b4d in 11 real palettes, including Tim Hortons's brand system and Lenovo's brand system, as the supporting colour.
Denim #1560bd
shippedDesigners have shipped Denim with #501b4d: 12 real palettes, including Hinge's brand system and Heinz's brand system, as the accent.
Goldenrod #daa520
shippedGoldenrod shows up next to #501b4d in 4 real palettes, including Open House and Candlelight, as the accent.
Real palettes that use #501b4d
Tints & shades
Harmonies
Contrast
| #501b4d as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 13.08:1 | pass | pass | pass | Passes AAA — no fix needed. |
Aaon black | 1.61:1 | 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 #501b4d 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
#501b4d 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 #501b4d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/501b4d-c19fbb-8fcb62-2d1f26-eee9f1?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