Cobalt Pop
Open in tool →One deep cobalt and one hot pink on white — a two-accent system for launches and campaign pages that need punch.
Color
#f3778e
#f3778e
hex
#f3778ergb
rgb(243, 119, 142)hsl
hsl(349, 84%, 71%)oklch
oklch(0.719 0.153 10.1)Closest name: Embarrassed (#ee7799)Relative luminance 0.342
Colors that go with #f3778e
Charcoal, Light Sea Green and Denim 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 body-text near-black for #f3778e: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy.
Light Sea Green #20b2aa
complementaryshippedLight Sea Green sits directly opposite #f3778e on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Denim #1560bd
shippedDesigners have shipped Denim with #f3778e: 7 real palettes, including Target : Expect More. Pay Less.'s brand system and Postman's brand system, as the accent.
Dodger Blue #1e90ff
shippedDesigners have shipped Dodger Blue with #f3778e: 4 real palettes, including Spline's brand system and Abstract's brand system, as the lead colour.
Midnight Blue #191970
shipped5 real palettes, including Lavender Haze and Sketch's brand system put Midnight Blue beside #f3778e, as the text colour against it.
Mustard Yellow #ffdb58
shipped4 real palettes, including Lido and Meadow put Mustard Yellow beside #f3778e, as the accent.
Royal Blue #4169e1
shippedRoyal Blue is paired with #f3778e in 5 real palettes, including Roblox's brand system and Zed's brand system, as the lead colour.
Taupe #483c32
shippedTaupe is paired with #f3778e in 15 real palettes, including Raycast's brand system and Meadow, as the text colour against it.
Real palettes that use #f3778e
Tints & shades
Harmonies
Contrast
| #f3778e as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 2.68:1 | fail | fail | fail | |
Aaon black | 7.84:1 | 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 #f3778e as the background.
Brands using this color
Palettes built around it
Fonts for this mood
#f3778e reads as warm, vivid, light. The font library is tagged with the same vocabulary:
mcpConnect your agent — build around #f3778e
live endpointPoint 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.
endpoint
https://mcp.brandsweets.com/colors/mcpclaude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt
›analyze #f3778e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
tool url
/palettes/new/f3778e-c49c9f-62cb85-2d231f-f1e9ee?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