Color
#401d5d
#401d5drgb(64, 29, 93)hsl(273, 52%, 24%)oklch(0.315 0.111 306.2)Colors that go with #401d5d
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 #401d5d: softer than #000 and cool enough to feel like part of the same palette.
Blue #0000ff
shipped8 real palettes, including Sketch's brand system and Monzo's brand system put Blue beside #401d5d, as the accent.
Cadet Blue #5f9ea0
shippedDesigners have shipped Cadet Blue with #401d5d: 5 real palettes, including SoFi's brand system and Open House, as the supporting colour.
Cobalt Blue #0047ab
shippedDesigners have shipped Cobalt Blue with #401d5d: 4 real palettes, including Blue Mono and Purina Pro Plan's brand system, as the lead colour.
Crimson #dc143c
shippedCrimson is paired with #401d5d in 8 real palettes, including Marvel's brand system and Casper Sleep's brand system, as the accent.
Deep Sky Blue #00bfff
shippedDesigners have shipped Deep Sky Blue with #401d5d: 4 real palettes, including Kraken's brand system and Vimeo's brand system, as the accent.
Denim #1560bd
shippedDesigners have shipped Denim with #401d5d: 19 real palettes, including Discover's brand system and Panasonic's brand system, as the supporting colour.
Sea Green #2e8b57
split-complementshippedSea Green is a split-complement of #401d5d: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Real palettes that use #401d5d
Tints & shades
Harmonies
Contrast
| #401d5d as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 13.53:1 | pass | pass | pass | Passes AAA — no fix needed. |
Aaon black | 1.55:1 | 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 #401d5d 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
#401d5d 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 #401d5d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/401d5d-b79cc4-c4cb62-2d1f2d-eae9f1?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