Color
#40125e
#40125ergb(64, 18, 94)hsl(276, 68%, 22%)oklch(0.302 0.128 307.9)Colors that go with #40125e
Charcoal, Cadet 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 #40125e: softer than #000 and cool enough to feel like part of the same palette.
Cadet Blue #5f9ea0
shippedDesigners have shipped Cadet Blue with #40125e: 4 real palettes, including SoFi's brand system and Open House, as the supporting colour.
Cobalt Blue #0047ab
shippedDesigners have shipped Cobalt Blue with #40125e: 4 real palettes, including Blue Mono and Purina Pro Plan's brand system, as the lead colour.
Crimson #dc143c
shippedCrimson is paired with #40125e in 4 real palettes, including Casper Sleep's brand system and Marvel's brand system, as the lead colour.
Denim #1560bd
shippedDesigners have shipped Denim with #40125e: 12 real palettes, including Discover's brand system and Panasonic's brand system, as the supporting colour.
Light Pink #ffb6c1
shippedLight Pink shows up next to #40125e in 4 real palettes, including Macaron and Sorbet, as the lead colour.
Powder Blue #b0e0e6
shippedDesigners have shipped Powder Blue with #40125e: 5 real palettes, including Frost & Ember and First Snow, as the supporting colour.
Olive Green #808000
complementaryOlive Green sits directly opposite #40125e 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 #40125e
Tints & shades
Harmonies
Contrast
| #40125e as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 14.32:1 | pass | pass | pass | Passes AAA — no fix needed. |
Aaon black | 1.47:1 | 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 #40125e as the background.
Brands using this color
Fonts for this mood
#40125e 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 #40125e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/40125e-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