Color
#400d4f
#400d4frgb(64, 13, 79)hsl(286, 72%, 18%)oklch(0.284 0.118 317.1)Colors that go with #400d4f
Charcoal, Blue and Cadet 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 #400d4f: softer than #000 and cool enough to feel like part of the same palette.
Blue #0000ff
shipped6 real palettes, including Sketch's brand system and Monzo's brand system put Blue beside #400d4f, as the accent.
Cadet Blue #5f9ea0
shippedDesigners have shipped Cadet Blue with #400d4f: 5 real palettes, including SoFi's brand system and Open House, as the supporting colour.
Crimson #dc143c
shippedCrimson is paired with #400d4f in 10 real palettes, including Tim Hortons's brand system and Marvel's brand system, as the supporting colour.
Denim #1560bd
shippedDesigners have shipped Denim with #400d4f: 16 real palettes, including Discover's brand system and Heinz's brand system, as the supporting colour.
Firebrick #b22222
shippedDesigners have shipped Firebrick with #400d4f: 8 real palettes, including MLB's brand system and Fenty Beauty's brand system, as the supporting colour.
Light Pink #ffb6c1
shippedLight Pink shows up next to #400d4f in 4 real palettes, including Sorbet and Pastel Pop, as the lead colour.
Sea Green #2e8b57
split-complementshippedSea Green is a split-complement of #400d4f: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Real palettes that use #400d4f
Tints & shades
Harmonies
Contrast
| #400d4f as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 15.12:1 | pass | pass | pass | Passes AAA — no fix needed. |
Aaon black | 1.39:1 | 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 #400d4f 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
#400d4f 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 #400d4f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/400d4f-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