Dusk
Open in tool →Slate blue with a copper accent — calm, professional, slightly editorial; suits consultancies and journals.
Color
#9599b2
#9599b2
hex
#9599b2rgb
rgb(149, 153, 178)hsl
hsl(232, 16%, 64%)oklch
oklch(0.688 0.037 278.2)Closest name: Machinery (#9999aa)Relative luminance 0.3239
Colors that go with #9599b2
Charcoal, Sand and Blush Pink 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 #9599b2: softer than #000 and cool enough to feel like part of the same palette.
Sand #c2b280
complementaryshippedSand sits directly opposite #9599b2 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Blush Pink #e8b4b8
shipped4 real palettes, including Estate and Garden Wedding put Blush Pink beside #9599b2, as the accent.
Copper #b87333
shippedDesigners have shipped Copper with #9599b2: 6 real palettes, including Dusk and Riverbed, as the accent.
Midnight Blue #191970
shipped8 real palettes, including Open House and First Snow put Midnight Blue beside #9599b2, as the text colour against it.
Peru #cd853f
split-complementshippedPeru is a split-complement of #9599b2: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Powder Blue #b0e0e6
shippedDesigners have shipped Powder Blue with #9599b2: 5 real palettes, including First Snow and Crypto.com's brand system, as the accent.
Royal Blue #4169e1
shippedRoyal Blue is paired with #9599b2 in 7 real palettes, including Sephora's brand system and Confluent's brand system, as the supporting colour.
Real palettes that use #9599b2
Tints & shades
Harmonies
Contrast
| #9599b2 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 2.81:1 | fail | fail | fail | |
Aaon black | 7.48:1 | 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 #9599b2 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 #9599b2
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 #9599b2 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
tool url
/palettes/new/9599b2-9c9dc4-df864e-231f2d-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