Color
#4c2154
#4c2154rgb(76, 33, 84)hsl(291, 44%, 23%)oklch(0.332 0.099 321.1)Colors that go with #4c2154
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 #4c2154: softer than #000 and cool enough to feel like part of the same palette.
Sea Green #2e8b57
complementaryshippedSea Green sits directly opposite #4c2154 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Blue #0000ff
shipped7 real palettes, including Sketch's brand system and Tim Hortons's brand system put Blue beside #4c2154, as the accent.
Cadet Blue #5f9ea0
shippedDesigners have shipped Cadet Blue with #4c2154: 5 real palettes, including Open House and SoFi's brand system, as the supporting colour.
Copper #b87333
shippedDesigners have shipped Copper with #4c2154: 5 real palettes, including Bramble and Notion's brand system, as the supporting colour.
Crimson #dc143c
shippedCrimson is paired with #4c2154 in 12 real palettes, including Marvel's brand system and Frost & Ember, as the accent.
Deep Sky Blue #00bfff
shippedDesigners have shipped Deep Sky Blue with #4c2154: 4 real palettes, including Kraken's brand system and Vimeo's brand system, as the accent.
Denim #1560bd
shippedDesigners have shipped Denim with #4c2154: 15 real palettes, including Hinge's brand system and Heinz's brand system, as the accent.
Real palettes that use #4c2154
Tints & shades
Harmonies
Contrast
| #4c2154 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 12.71:1 | 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 #4c2154 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
#4c2154 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 #4c2154 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/4c2154-bf9fc1-a4cb62-2d1f29-ece9f1?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