Color
#399dac
#399dacrgb(57, 157, 172)hsl(188, 50%, 45%)oklch(0.645 0.093 209.1)Colors that go with #399dac
Charcoal, Orange Red and Copper 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 #399dac: softer than #000 and cool enough to feel like part of the same palette.
Orange Red #ff4500
complementaryshippedOrange Red sits directly opposite #399dac on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Copper #b87333
shippedDesigners have shipped Copper with #399dac: 5 real palettes, including Dusk and Clean Beauty, as the accent.
Crimson #dc143c
shippedCrimson is paired with #399dac in 5 real palettes, including Diner and Redfin's brand system, as the lead colour.
Denim #1560bd
shippedDesigners have shipped Denim with #399dac: 7 real palettes, including Peacock and Gopro's brand system, as the supporting colour.
Midnight Blue #191970
shipped10 real palettes, including Ford's brand system and SoFi's brand system put Midnight Blue beside #399dac, as the lead colour.
Orange #ffa500
shipped4 real palettes, including Gopro's brand system and Olympics's brand system put Orange beside #399dac, as the accent.
Royal Blue #4169e1
shippedRoyal Blue is paired with #399dac in 5 real palettes, including Confluent's brand system and Elastic's brand system, as the supporting colour.
Real palettes that use #399dac
Tints & shades
Harmonies
Contrast
| #399dac as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 3.19:1 | fail | pass | fail | |
Aaon black | 6.59:1 | 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 #399dac 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
#399dac 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 #399dac and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/399dac-a2b7be-df4e81-1f252d-e9f1ee?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