Color
#138680
#138680rgb(19, 134, 128)hsl(177, 75%, 30%)oklch(0.561 0.093 189.1)Colors that go with #138680
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.
Charcoal #36454f
neutralshippedCharcoal is the text near-black for #138680: softer than #000 and cool enough to feel like part of the same palette.
Crimson #dc143c
complementaryshippedCrimson sits directly opposite #138680 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 #138680: 5 real palettes, including Intel's brand system and Ink & Paper, as the lead colour.
Copper #b87333
shippedDesigners have shipped Copper with #138680: 6 real palettes, including Riverbed and Wellness, as the accent.
Denim #1560bd
shippedDesigners have shipped Denim with #138680: 10 real palettes, including Peacock and Intel's brand system, as the supporting colour.
Goldenrod #daa520
shippedGoldenrod shows up next to #138680 in 5 real palettes, including Mid-Century and Sapphire & Gold, as the accent.
Midnight Blue #191970
shipped7 real palettes, including Tide Pool and Paramount+'s brand system put Midnight Blue beside #138680, as that palette's text colour.
Royal Blue #4169e1
shippedRoyal Blue is paired with #138680 in 4 real palettes, including Coinbase's brand system and Slate Workspace, as the lead colour.
Real palettes that use #138680
Tints & shades
Harmonies
Contrast
| #138680 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 4.42:1 | fail | pass | fail | |
Aaon black | 4.75:1 | 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 #138680 as the background.
Brands using this color
Fonts for this mood
#138680 reads as vivid, dark, luxury. 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 #138680 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/138680-a2bcbe-d4599b-1f282d-e9f1ed?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