Dusk
Open in tool →Slate blue with a copper accent — calm, professional, slightly editorial; suits consultancies and journals.
Color
#8b99bb
#8b99bb
hex
#8b99bbrgb
rgb(139, 153, 187)hsl
hsl(222, 26%, 64%)oklch
oklch(0.684 0.053 267.4)Closest name: Easter Egg (#8e97c7)Relative luminance 0.3186
Colors that go with #8b99bb
Charcoal, Peru 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 #8b99bb: softer than #000 and cool enough to feel like part of the same palette.
Peru #cd853f
complementaryshippedPeru sits directly opposite #8b99bb 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 #8b99bb in 4 real palettes, including Ahrefs's brand system and NBA's brand system, as the supporting colour — a combination designers have actually shipped, not a computed rotation.
Copper #b87333
shippedCopper is paired with #8b99bb in 5 real palettes, including Dusk and Riverbed, as the accent — a combination designers have actually shipped, not a computed rotation.
Deep Sky Blue #00bfff
shippedDeep Sky Blue is paired with #8b99bb in 4 real palettes, including Calm's brand system and Snowflake AI Data Cloud's brand system, as the lead colour — a combination designers have actually shipped, not a computed rotation.
Denim #1560bd
shippedDenim is paired with #8b99bb 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 #8b99bb in 7 real palettes, including Open House and First Snow, as the text colour against it — a combination designers have actually shipped, not a computed rotation.
Periwinkle #ccccff
shippedPeriwinkle is paired with #8b99bb in 4 real palettes, including Blue Mono and Calendly's brand system, as the accent — a combination designers have actually shipped, not a computed rotation.
Real palettes that use #8b99bb
Tints & shades
Harmonies
Contrast
| #8b99bb as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 2.85:1 | fail | fail | fail | |
Aaon black | 7.37:1 | 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 #8b99bb 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 #8b99bb
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 #8b99bb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
tool url
/palettes/new/8b99bb-9ca3c4-df6e4e-211f2d-e9eff1?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