Color
#51948b
#51948brgb(81, 148, 139)hsl(172, 29%, 45%)oklch(0.619 0.07 184.4)Colors that go with #51948b
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 #51948b: softer than #000 and cool enough to feel like part of the same palette.
Copper #b87333
triadicshippedCopper completes a triad with #51948b — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash.
Crimson #dc143c
shippedCrimson is paired with #51948b in 9 real palettes, including Diner and Redfin's brand system, as the lead colour.
Dark Olive Green #556b2f
shippedDark Olive Green shows up next to #51948b in 4 real palettes, including Clay & Linen and Magazine Ochre, as the accent.
Denim #1560bd
shippedDesigners have shipped Denim with #51948b: 10 real palettes, including Peacock and Intel's brand system, as the supporting colour.
Goldenrod #daa520
shippedGoldenrod shows up next to #51948b in 5 real palettes, including Noir Beauty and Ledger Dark, as the lead colour.
Midnight Blue #191970
shipped10 real palettes, including Tide Pool and Ford's brand system put Midnight Blue beside #51948b, as that palette's text colour.
Orange #ffa500
shipped6 real palettes, including Campus and Graphite put Orange beside #51948b, as the accent.
Real palettes that use #51948b
Tints & shades
Harmonies
Contrast
| #51948b as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 3.52:1 | fail | pass | fail | |
Aaon black | 5.96:1 | 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 #51948b as the background.
Brands using this color
No public brand in the corpus uses this exact color yet. Extract a brand to add one.
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 #51948b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/51948b-a2bebe-d459a5-1f292d-e9f1ec?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