Color
#39979d
#39979drgb(57, 151, 157)hsl(184, 47%, 42%)oklch(0.624 0.087 201.1)Colors that go with #39979d
Charcoal, Crimson and Cobalt 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.
Crimson #dc143c
complementaryshippedCrimson sits directly opposite #39979d on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Cobalt Blue #0047ab
shippedDesigners have shipped Cobalt Blue with #39979d: 4 real palettes, including Fintech Trust and Intel's brand system, as the lead colour.
Copper #b87333
shippedDesigners have shipped Copper with #39979d: 6 real palettes, including Clean Beauty and Wellness, as the accent.
Denim #1560bd
shippedDesigners have shipped Denim with #39979d: 12 real palettes, including Peacock and Gopro's brand system, as the supporting colour.
Goldenrod #daa520
shippedGoldenrod shows up next to #39979d in 4 real palettes, including Ledger Dark and Noir Beauty, as the lead colour.
Midnight Blue #191970
shipped9 real palettes, including Tide Pool and Ford's brand system put Midnight Blue beside #39979d, as that palette's text colour.
Orange #ffa500
shipped4 real palettes, including Gopro's brand system and Campus put Orange beside #39979d, as the accent.
Tints & shades
Harmonies
Contrast
| #39979d as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 3.45:1 | fail | pass | fail | |
Aaon black | 6.09:1 | 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 #39979d 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
#39979d 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 #39979d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/39979d-a2b9be-df4e8a-1f262d-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