Color
#a0a3ba
#a0a3bargb(160, 163, 186)hsl(233, 16%, 68%)oklch(0.721 0.033 279.6)Colors that go with #a0a3ba
Charcoal, Sand and Blue 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 #a0a3ba: softer than #000 and cool enough to feel like part of the same palette.
Sand #c2b280
complementaryshippedSand sits directly opposite #a0a3ba on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Blue #0000ff
shipped4 real palettes, including Lexus's brand system and Canva's brand system put Blue beside #a0a3ba, as the supporting colour.
Burlywood #deb887
shippedBurlywood is paired with #a0a3ba in 4 real palettes, including Polaroid and Chalkboard, as the accent.
Copper #b87333
shippedDesigners have shipped Copper with #a0a3ba: 7 real palettes, including Dusk and Riverbed, as the accent.
Deep Sky Blue #00bfff
shippedDesigners have shipped Deep Sky Blue with #a0a3ba: 4 real palettes, including Max's brand system and Calm's brand system, as the supporting colour.
Dodger Blue #1e90ff
shippedDesigners have shipped Dodger Blue with #a0a3ba: 4 real palettes, including Studio Grey and Spline's brand system, as the accent.
Hunter Green #355e3b
shippedHunter Green is paired with #a0a3ba in 4 real palettes, including Pine & Birch and Darkroom, as the lead colour.
Real palettes that use #a0a3ba
Tints & shades
Harmonies
Contrast
| #a0a3ba as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 2.49:1 | fail | fail | fail | |
Aaon black | 8.44:1 | pass | pass | pass | Passes AAA — no fix needed. |
Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #a0a3ba as the background.
Brands using this color
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 #a0a3ba and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/a0a3ba-9c9cc4-df884e-241f2d-e9eef1?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