Ledger Dark
Open in tool →Gold on midnight is the private-banking cue; the mint accent keeps it from feeling old-money stuffy.
Color
#738ca0
#738ca0
hex
#738ca0rgb
rgb(115, 140, 160)hsl
hsl(207, 19%, 54%)oklch
oklch(0.628 0.042 242.5)Closest name: lightslategray (#778899)Relative luminance 0.2494
Colors that go with #738ca0
Charcoal, Copper and Crimson 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 #738ca0: softer than #000 and cool enough to feel like part of the same palette.
Copper #b87333
complementaryshippedCopper sits directly opposite #738ca0 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Crimson #dc143c
shippedCrimson is paired with #738ca0 in 5 real palettes, including Retro Pop and Diner, as the lead colour.
Denim #1560bd
shippedDesigners have shipped Denim with #738ca0: 8 real palettes, including Dusk and Campus, as the lead colour.
Midnight Blue #191970
shipped10 real palettes, including Plaid's brand system and Open House put Midnight Blue beside #738ca0, as the supporting colour.
Orange #ffa500
shipped4 real palettes, including Campus and Graphite put Orange beside #738ca0, as the accent.
Powder Blue #b0e0e6
shippedDesigners have shipped Powder Blue with #738ca0: 4 real palettes, including Ink Wash and First Snow, as the lead colour.
Taupe #483c32
shippedTaupe is paired with #738ca0 in 22 real palettes, including Still Water and Dusk, as that palette's text colour.
Real palettes that use #738ca0
Tints & shades
Harmonies
Contrast
| #738ca0 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 3.51:1 | fail | pass | fail | |
Aaon black | 5.99:1 | 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 #738ca0 as the background.
Brands using this color
Palettes built around it
mcpConnect your agent — build around #738ca0
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 #738ca0 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
tool url
/palettes/new/738ca0-9cadc4-df4e53-1f212d-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