Color
#3bbab4
#3bbab4rgb(59, 186, 180)hsl(177, 52%, 48%)oklch(0.72 0.109 190.4)Colors that go with #3bbab4
Charcoal, Denim and Midnight 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 #3bbab4: softer than #000 and cool enough to feel like part of the same palette.
Denim #1560bd
shippedDesigners have shipped Denim with #3bbab4: 5 real palettes, including Open House and Coca-Cola's brand system, as the lead colour.
Midnight Blue #191970
shipped6 real palettes, including Confluent's brand system and Ford's brand system put Midnight Blue beside #3bbab4, as the lead colour.
Mustard Yellow #ffdb58
shipped4 real palettes, including Crayon Box and Lido put Mustard Yellow beside #3bbab4, as the accent.
Royal Blue #4169e1
shippedRoyal Blue is paired with #3bbab4 in 5 real palettes, including Khan Academy's brand system and Confluent's brand system, as the accent.
Slate Gray #708090
shipped5 real palettes, including Indigo SaaS and Ledger Dark put Slate Gray beside #3bbab4, as the supporting colour.
Steel Blue #4682b4
shippedDesigners have shipped Steel Blue with #3bbab4: 4 real palettes, including Deep Water and Ford's brand system, as the supporting colour.
Light Coral #f08080
complementaryLight Coral sits directly opposite #3bbab4 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Real palettes that use #3bbab4
Tints & shades
Harmonies
Contrast
| #3bbab4 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 2.37:1 | fail | fail | fail | |
Aaon black | 8.87:1 | 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 #3bbab4 as the background.
Brands using this color
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 #3bbab4 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/3bbab4-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