Color
#42184e
#42184ergb(66, 24, 78)hsl(287, 53%, 20%)oklch(0.3 0.102 318)Colors that go with #42184e
Charcoal, Sea Green and Amber 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 #42184e: softer than #000 and cool enough to feel like part of the same palette.
Sea Green #2e8b57
complementaryshippedSea Green sits directly opposite #42184e on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Amber #ffbf00
shippedAmber is paired with #42184e in 5 real palettes, including Beach Hut and Southwest Airlines's brand system, as the supporting colour.
Blue #0000ff
shipped11 real palettes, including Sketch's brand system and Tim Hortons's brand system put Blue beside #42184e, as the accent.
Cadet Blue #5f9ea0
shippedDesigners have shipped Cadet Blue with #42184e: 7 real palettes, including SoFi's brand system and Open House, as the supporting colour.
Cobalt Blue #0047ab
shippedDesigners have shipped Cobalt Blue with #42184e: 6 real palettes, including Blue Mono and Fintech Trust, as the lead colour.
Copper #b87333
shippedDesigners have shipped Copper with #42184e: 8 real palettes, including Dusk and Clean Beauty, as the accent.
Real palettes that use #42184e
Tints & shades
Harmonies
Contrast
| #42184e as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 14.26:1 | 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 #42184e 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
#42184e 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 #42184e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/42184e-bd9fc1-abcb62-2d1f2a-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