Color
#9f99db
#9f99dbrgb(159, 153, 219)hsl(245, 48%, 73%)oklch(0.713 0.095 287.9)Colors that go with #9f99db
Charcoal, Dark Khaki 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 #9f99db: softer than #000 and cool enough to feel like part of the same palette.
Dark Khaki #bdb76b
complementaryshippedDark Khaki sits directly opposite #9f99db 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 #9f99db in 4 real palettes, including Ahrefs's brand system and Blueprint, as the supporting colour.
Deep Sky Blue #00bfff
shippedDesigners have shipped Deep Sky Blue with #9f99db: 4 real palettes, including Calm's brand system and Blueprint, as the lead colour.
Denim #1560bd
shippedDesigners have shipped Denim with #9f99db: 4 real palettes, including Dusk and Open House, as the lead colour.
Dodger Blue #1e90ff
shippedDesigners have shipped Dodger Blue with #9f99db: 4 real palettes, including Venmo's brand system and Opensea's brand system, as the lead colour.
Medium Sea Green #3cb371
split-complementshippedMedium Sea Green is a split-complement of #9f99db: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Midnight Blue #191970
shipped7 real palettes, including First Snow and Open House put Midnight Blue beside #9f99db, as the text colour against it.
Tints & shades
Harmonies
Contrast
| #9f99db as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 2.61:1 | fail | fail | fail | |
Aaon black | 8.05:1 | 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 #9f99db as the background.
Brands using this color
Fonts for this mood
#9f99db reads as cool, light, clean. 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 #9f99db and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/9f99db-a49cc4-dfa54e-261f2d-e9ecf1?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