Color
#509bb9
#509bb9rgb(80, 155, 185)hsl(197, 43%, 52%)oklch(0.653 0.087 226.5)Colors that go with #509bb9
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 #509bb9: softer than #000 and cool enough to feel like part of the same palette.
Copper #b87333
shippedCopper is paired with #509bb9 in 5 real palettes, including Dusk and Atelier, as the accent — a combination designers have actually shipped, not a computed rotation.
Denim #1560bd
shippedDenim is paired with #509bb9 in 4 real palettes, including Dusk and Open House, as the lead colour — a combination designers have actually shipped, not a computed rotation.
Midnight Blue #191970
shippedMidnight Blue is paired with #509bb9 in 5 real palettes, including Open House and Plaid's brand system, as the text colour against it — a combination designers have actually shipped, not a computed rotation.
Powder Blue #b0e0e6
shippedPowder Blue is paired with #509bb9 in 5 real palettes, including First Snow and Ink Wash, as the accent — a combination designers have actually shipped, not a computed rotation.
Taupe #483c32
shippedTaupe is paired with #509bb9 in 12 real palettes, including Still Water and Dusk, as the text colour against it — a combination designers have actually shipped, not a computed rotation.
Ochre #cc7722
complementaryOchre sits directly opposite #509bb9 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Amber #ffbf00
shippedAmber is paired with #509bb9 in 3 real palettes, including Beach Hut and Blueprint, as the supporting colour — a combination designers have actually shipped, not a computed rotation.
Real palettes that use #509bb9
Tints & shades
Harmonies
Contrast
| #509bb9 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 3.12:1 | fail | pass | fail | |
Aaon black | 6.73:1 | 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 #509bb9 as the background.
Brands using this color
No public brand in the corpus uses this exact color yet. Extract a brand to add one.
Fonts for this mood
#509bb9 reads as cool, modern. The font library is tagged with the same vocabulary:
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 #509bb9 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/509bb9-9cb4c4-df4e6b-1f232d-e9f1ef?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