Ledger Dark
Open in tool →Gold on midnight is the private-banking cue; the mint accent keeps it from feeling old-money stuffy.
Color
#878cab
#878cab
hex
#878cabrgb
rgb(135, 140, 171)hsl
hsl(232, 18%, 60%)oklch
oklch(0.647 0.047 277.8)Closest name: Cool Gray (#8c92ac)Relative luminance 0.2685
Colors that go with #878cab
Charcoal, Copper and Denim 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 #878cab: softer than #000 and cool enough to feel like part of the same palette.
Copper #b87333
split-complementshippedCopper is a split-complement of #878cab: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Denim #1560bd
shippedDesigners have shipped Denim with #878cab: 5 real palettes, including Dusk and Open House, as the lead colour.
Midnight Blue #191970
shipped7 real palettes, including Plaid's brand system and Open House put Midnight Blue beside #878cab, as the supporting colour.
Powder Blue #b0e0e6
shippedDesigners have shipped Powder Blue with #878cab: 4 real palettes, including Ink Wash and First Snow, as the lead colour.
Royal Blue #4169e1
shippedRoyal Blue is paired with #878cab in 4 real palettes, including Sephora's brand system and Slate Workspace, as the supporting colour.
Taupe #483c32
shippedTaupe is paired with #878cab in 20 real palettes, including Dusk and Typewriter, as the text colour against it.
Dark Goldenrod #b8860b
complementaryDark Goldenrod sits directly opposite #878cab 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 #878cab
Tints & shades
Harmonies
Contrast
| #878cab as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 3.3:1 | fail | pass | fail | |
Aaon black | 6.37:1 | pass | pass | fail |
|
Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #878cab as the background.
Brands using this color
No public brand in the corpus uses this exact color yet. Extract a brand to add one.
Palettes built around it
mcpConnect your agent — build around #878cab
live endpointPoint 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.
endpoint
https://mcp.brandsweets.com/colors/mcpclaude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt
›analyze #878cab and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
tool url
/palettes/new/878cab-9c9dc4-df864e-231f2d-e9eef1?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