Named color
Hollow Knight
#330055rgb(51, 0, 85)hsl(276, 100%, 17%)oklch(0.257 0.134 304.8)Hollow Knight on this page is the real value, not a screenshot: exact hex, RGB, HSL and OKLCH, ten tints and ten shades, classic harmonies, and WCAG contrast with fixes — plus the curated palettes it appears in and any public brand that adopts it.
Colors that go with Hollow Knight
Charcoal, Royal Blue and 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 Hollow Knight: softer than #000 and cool enough to feel like part of the same palette.
Royal Blue #4169e1
analogousshippedRoyal Blue is Hollow Knight's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces.
Blue #0000ff
shipped4 real palettes, including Sketch's brand system and Penpot's brand system put Blue beside Hollow Knight, as the accent.
Cadet Blue #5f9ea0
shippedDesigners have shipped Cadet Blue with Hollow Knight: 5 real palettes, including SoFi's brand system and Open House, as the supporting colour.
Cobalt Blue #0047ab
shippedDesigners have shipped Cobalt Blue with Hollow Knight: 6 real palettes, including Blue Mono and Glacier, as the lead colour.
Cornflower Blue #6495ed
shippedDesigners have shipped Cornflower Blue with Hollow Knight: 4 real palettes, including Blue Mono and Peacock's brand system, as the supporting colour.
Crimson #dc143c
shippedCrimson is paired with Hollow Knight in 4 real palettes, including Casper Sleep's brand system and Nintendo's brand system, as the lead colour.
Deep Sky Blue #00bfff
shippedDesigners have shipped Deep Sky Blue with Hollow Knight: 4 real palettes, including Kraken's brand system and Deep Water, as the accent.
Real palettes that use Hollow Knight
Tints & shades
Harmonies
Contrast
| Hollow Knight as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 16.51:1 | pass | pass | pass | Passes AAA — no fix needed. |
Aaon black | 1.27:1 | 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 Hollow Knight 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
Hollow Knight 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 #330055 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/330055-b99cc4-bfcb62-2d1f2d-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