Color
#400754
#400754rgb(64, 7, 84)hsl(284, 85%, 18%)oklch(0.283 0.129 314.7)Colors that go with #400754
Charcoal, Blue 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.
Charcoal #36454f
neutralshippedCharcoal is the text near-black for #400754: softer than #000 and cool enough to feel like part of the same palette.
Blue #0000ff
shipped5 real palettes, including Sketch's brand system and Monzo's brand system put Blue beside #400754, as the accent.
Crimson #dc143c
shippedCrimson is paired with #400754 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 #400754: 8 real palettes, including Discover's brand system and Heinz's brand system, as the supporting colour.
Light Pink #ffb6c1
shippedLight Pink shows up next to #400754 in 4 real palettes, including Railway's brand system and Pastel Pop, as the supporting colour.
Powder Blue #b0e0e6
shippedDesigners have shipped Powder Blue with #400754: 5 real palettes, including First Snow and Opera's brand system, as the accent.
Royal Blue #4169e1
shippedRoyal Blue is paired with #400754 in 5 real palettes, including Telehealth and Penpot's brand system, as the lead colour.
Forest Green #228b22
complementaryForest Green sits directly opposite #400754 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Real palettes that use #400754
Tints & shades
Harmonies
Contrast
| #400754 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 15.26:1 | pass | pass | pass | Passes AAA — no fix needed. |
Aaon black | 1.38:1 | 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 #400754 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
#400754 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 #400754 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/400754-bc9fc1-b1cb62-2d1f2b-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