Color
#400042
#400042rgb(64, 0, 66)hsl(298, 100%, 13%)oklch(0.262 0.121 326.9)Colors that go with #400042
Charcoal, Blue and Cobalt 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 #400042: 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 Tim Hortons's brand system put Blue beside #400042, as the accent.
Cobalt Blue #0047ab
shippedDesigners have shipped Cobalt Blue with #400042: 4 real palettes, including Hershey's's brand system and Blue Mono, as the supporting colour.
Denim #1560bd
shippedDesigners have shipped Denim with #400042: 10 real palettes, including Heinz's brand system and Discover's brand system, as the accent.
Eggplant #614051
shippedEggplant shows up next to #400042 in 4 real palettes, including Golden Hour and Blush, as the accent.
Firebrick #b22222
shippedDesigners have shipped Firebrick with #400042: 5 real palettes, including AT&T's brand system and Datadog's brand system, as the accent.
Royal Blue #4169e1
shippedRoyal Blue is paired with #400042 in 6 real palettes, including Telehealth and Penpot's brand system, as the lead colour.
Forest Green #228b22
complementaryForest Green sits directly opposite #400042 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 #400042
Tints & shades
Harmonies
Contrast
| #400042 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 16.2:1 | pass | pass | pass | Passes AAA — no fix needed. |
Aaon black | 1.3:1 | 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 #400042 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
#400042 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 #400042 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/400042-c19fbe-98cb62-2d1f28-ede9f1?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