Color
#420156
#420156rgb(66, 1, 86)hsl(286, 98%, 17%)oklch(0.283 0.138 315.6)Colors that go with #420156
Charcoal, Denim and Midnight 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 #420156: softer than #000 and cool enough to feel like part of the same palette.
Denim #1560bd
shippedDesigners have shipped Denim with #420156: 4 real palettes, including Discover's brand system and Heinz's brand system, as the supporting colour.
Midnight Blue #191970
shipped4 real palettes, including Visa's brand system and Crest's brand system put Midnight Blue beside #420156, as the lead colour.
Forest Green #228b22
complementaryForest Green sits directly opposite #420156 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Blue #0000ff
shipped3 real palettes, including Sketch's brand system and Monzo's brand system put Blue beside #420156, as the accent.
Slate Blue #6a5acd
analogousshippedSlate Blue is #420156's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces.
Taupe #483c32
shippedTaupe is paired with #420156 in 3 real palettes, including American Eagle's brand system and Superhuman's brand system, as the lead colour.
Teal #008080
triadicshippedTeal completes a triad with #420156 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash.
Real palettes that use #420156
Tints & shades
Harmonies
Contrast
| #420156 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 15.32:1 | pass | pass | pass | Passes AAA — no fix needed. |
Aaon black | 1.37:1 | 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 #420156 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
#420156 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 #420156 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/420156-bd9fc1-adcb62-2d1f2a-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