Ledger Dark
Open in tool →Gold on midnight is the private-banking cue; the mint accent keeps it from feeling old-money stuffy.
Color
#75899f
#75899f
hex
#75899frgb
rgb(117, 137, 159)hsl
hsl(211, 18%, 54%)oklch
oklch(0.622 0.041 250.9)Closest name: lightslategray (#778899)Relative luminance 0.2418
Colors that go with #75899f
Charcoal, Copper and Champagne 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 #75899f: softer than #000 and cool enough to feel like part of the same palette.
Copper #b87333
complementaryshippedCopper sits directly opposite #75899f on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Champagne #f7e7ce
shipped4 real palettes, including Midnight Luxe and Forest Floor put Champagne beside #75899f, as that palette's text colour.
Cobalt Blue #0047ab
shippedDesigners have shipped Cobalt Blue with #75899f: 4 real palettes, including Ink & Paper and Fintech Trust, as the accent.
Crimson #dc143c
shippedCrimson is paired with #75899f in 6 real palettes, including Retro Pop and Diner, as the lead colour.
Denim #1560bd
shippedDesigners have shipped Denim with #75899f: 9 real palettes, including Dusk and Campus, as the lead colour.
Goldenrod #daa520
shippedGoldenrod shows up next to #75899f in 4 real palettes, including Ledger Dark and Noir Beauty, as the lead colour.
Midnight Blue #191970
shipped10 real palettes, including Plaid's brand system and Open House put Midnight Blue beside #75899f, as the supporting colour.
Tints & shades
Harmonies
Contrast
| #75899f as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 3.6:1 | fail | pass | fail | |
Aaon black | 5.84:1 | 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 #75899f as the background.
Brands using this color
Palettes built around it
mcpConnect your agent — build around #75899f
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 #75899f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
tool url
/palettes/new/75899f-9cabc4-df534e-1f202d-e9f1f1?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