Color
#15979e
#15979ergb(21, 151, 158)hsl(183, 77%, 35%)oklch(0.617 0.101 200.9)Colors that go with #15979e
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 #15979e 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 #15979e: 4 real palettes, including Fintech Trust and Intel's brand system, as the lead colour.
Copper #b87333
shippedDesigners have shipped Copper with #15979e: 5 real palettes, including Wellness and Clean Beauty, as the supporting colour.
Denim #1560bd
shippedDesigners have shipped Denim with #15979e: 11 real palettes, including Peacock and Gopro's brand system, as the supporting colour.
Midnight Blue #191970
shipped7 real palettes, including Tide Pool and Ford's brand system put Midnight Blue beside #15979e, as that palette's text colour.
Royal Blue #4169e1
shippedRoyal Blue is paired with #15979e in 5 real palettes, including Confluent's brand system and Slate Workspace, as the supporting colour.
Taupe #483c32
shippedTaupe is paired with #15979e in 10 real palettes, including Rain Garden and Still Water, as that palette's text colour.
Tints & shades
Harmonies
Contrast
| #15979e as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 3.53:1 | fail | pass | fail | |
Aaon black | 5.95:1 | 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 #15979e 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
#15979e reads as cool, vivid, technical. 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 #15979e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/15979e-a2b9be-d4598e-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