Fintech Trust
Open in tool →Navy signals custody and stability; the green accent is money moving the right way. No red anywhere except errors.
Color
#516da4
#516da4
hex
#516da4rgb
rgb(81, 109, 164)hsl
hsl(220, 34%, 48%)oklch
oklch(0.537 0.093 263.1)Closest name: Loch Ness (#5f6db0)Relative luminance 0.1537
Colors that go with #516da4
Charcoal, Sea Green and Amber 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 #516da4: softer than #000 and cool enough to feel like part of the same palette.
Sea Green #2e8b57
triadicshippedSea Green completes a triad with #516da4 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash.
Amber #ffbf00
shippedAmber is paired with #516da4 in 7 real palettes, including Lemon Squeezy's brand system and Wired's brand system, as the lead colour.
Cobalt Blue #0047ab
shippedDesigners have shipped Cobalt Blue with #516da4: 7 real palettes, including Fintech Trust and Glacier, as the lead colour.
Copper #b87333
shippedDesigners have shipped Copper with #516da4: 4 real palettes, including Dusk and Notion's brand system, as the accent.
Crimson #dc143c
shippedCrimson is paired with #516da4 in 12 real palettes, including Retro Pop and Marvel's brand system, as the lead colour.
Deep Sky Blue #00bfff
shippedDesigners have shipped Deep Sky Blue with #516da4: 4 real palettes, including Deep Water and Astro's brand system, as the lead colour.
Firebrick #b22222
shippedDesigners have shipped Firebrick with #516da4: 5 real palettes, including AT&T's brand system and Wendy's's brand system, as the accent.
Real palettes that use #516da4
Tints & shades
Harmonies
Contrast
| #516da4 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 5.16:1 | pass | pass | fail |
|
Aaon black | 4.07:1 | fail | 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 #516da4 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 #516da4
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 #516da4 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
tool url
/palettes/new/516da4-9ca5c4-df694e-211f2d-e9f0f1?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